FINAL ANSWER KEY
Paper: Funtions of Electrical Inspectorate ... (Paper I)
Medium of Question: English
Date of Examination 07-03-2019
Question1:-Where is the office of Kerala State Electricity Regulatory Commission located?
A:-Thiruvananthapuram
B:-Thrissur
C:-Ernakulam
D:-Kozhikkodu
Correct Answer:- Option-A
Question2:-Which of the following is not a general function of Regional Load Despatch Centre?
A:-Exercise Supervision and control over the Interstate transmission system
B:-Collect wheeling charges for the energy transmitted
C:-Keep accounts of the quantity of electricity transmitted
D:-Monitor Grid operations
Correct Answer:- Option-B
Question3:-What is the minimum accuracy class of consumer meters at HT premises?
A:-0.5 S
B:-0.2 S
C:-1 S
D:-0.25 S
Correct Answer:- Option-A
Question4:-What is the recommended minimum insulation value (in Mega Ohms) for LV three phase installations?
A:-5
B:-1
C:-3
D:-2
Correct Answer:- Option-B
Question5:-What is the distance from a 220 kV tower for which permission from the owner of the tower is required for carrying out cutting of soil? A:-50 m
B:-20 m
C:-30 m
D:-10 m
Correct Answer:- Option-D
Question6:-How many years experience in practice of Electrical Engineering is required, besides other qualifications, for a person to be appointed as Chief Elect A:-15
B:-20
C:-10
D:-12
Correct Answer:- Option-B
Question7:-When a 400 kV DC line crosses another 400 kV DC line, what is the minimum clearance to be maintained?
A:-6.79 m
B:-4.58 m
C:-6.04 m
D:-3.05 m
Correct Answer:- Option-C
Question8:-What is the spacing between an underground EHT cable and a Telecommunication cable?
A:-75 cm
B:-80 cm
C:-50 cm
D:-60 cm
Correct Answer:- Option-D
Question9:-Which Regulation of CEA (Measures relating to Electric Supply and Safety) Regulations, 2010 makes it mandatory for owners of overhead lines to pr A:-76
B:-81
C:-74
D:-114
Correct Answer:- Option-C
Question10:-What is the generally required minimum height of trolley wires of a traction feeder?
A:-5.5 m
B:-5.2 m
C:-6.2 m
D:-6.5 m
Correct Answer:- Option-B
Question11:-What is the cumulative solar power capacity that can normally be connected to the LT side of a distribution transformer, in terms of the transforme A:-50%
B:-25%
C:-15%
D:-30%
Correct Answer:- Option-C
Question12:-When a 66 kV line crosses a 220 kV line, what is the minimum clearance to be maintained?
A:-6.79 m
B:-4.58 m
C:-6.04 m
D:-3.05 m
Correct Answer:- Option-B
Question13:-What is the percentage of ruling tariff applicable for 'Off Peak' usage of energy by an HT consumer?
A:-50
B:-75
C:-100
D:-125
Correct Answer:- Option-B
Question14:-What is the distance from a substation below which permission from the owner of the substation is required for carrying out blasting of any type? A:-300 m
B:-350 m
C:-400 m
D:-450 m
Correct Answer:- Option-A
Question15:-How much is the fixed charges for an LT-IV industrial consumer having connected load of 15 KW?
A:-Rs.100
B:-Rs.80
C:-Rs.50
D:-Rs.60
Correct Answer:- Option-D
Question16:-What is the minimum vertical clearance specified for a building under a 110 kV line?
A:-4.6 m
B:-3.7 m
C:-2.5 m
D:-4.0 m
Correct Answer:- Option-A
Question17:-What is the minimum factor of safety for overhead lines on wooden supports?
A:-1.5
B:-2.0
C:-2.5
D:-3.0
Correct Answer:- Option-D
Question18:-What is the minimum horizontal clearance for a building adjacent to an LT line?
A:-2.5 m
B:-4.6 m
C:-1.2 m
D:-3.7 m
Correct Answer:- Option-C
Question19:-What is the minimum ground clearance for a 400 kV HVDC line?
A:-8.5 m
B:-9.4 m
C:-10.6 m
D:-7.3 m
Correct Answer:- Option-B
Question20:-How many joints are allowed in one span of an overhead line?
A:-1
B:-4
C:-2
D:-3
Correct Answer:- Option-A
Question21:-What is the clearance above ground level for an LT overhead line along any street?
A:-6.4 m
B:-5.8 m
C:-6.1 m
D:-5.5 m
Correct Answer:- Option-D
Question22:-What is the time limit for restoration of supply in case of break down of overhead lines in Rural Areas?
A:-12 hours
B:-8 hours
C:-16 hours
D:-24 hours
Correct Answer:- Option-A
Question23:-What is the frequency of periodical inspection of HT installations in the state?
A:-every year
B:-once in two years
C:-once in three years
D:-once in five years
Correct Answer:- Option-A
Question24:-What is the rate of Electricity Duty per unit of consumption applicable to HT consumers in the state?
A:-1.2 paise
B:-12 paise
C:-100 paise
D:-10 paise
Correct Answer:- Option-D
Question25:-What should be the minimum height to be provided for a passage behind a panel?
A:-1 m
B:-1.5 m
C:-1.6 m
D:-1.8 m
Correct Answer:- Option-D
Question26:-What is the time limit for restoration of supply in case of failure of distribution transformer in difficult areas? A:-72 hours
B:-48 hours
C:-16 hours
D:-24 hours
Correct Answer:- Option-B
Question27:-What is the prescribed periodicity for testing of consumers' meters?
A:-2 years
B:-3 years
C:-4 years
D:-5 years
Correct Answer:- Option-D
Question28:-Which is the IS for fire fighting systems in substations?
A:-3646/1966
B:-3034/1993
C:-8061/1976
D:-3043/1987
Correct Answer:- Option-B
Question29:-What is the clearance above ground level for an LT overhead line along any street?
A:-5.5 m
B:-5.8 m
C:-6.1 m
D:-6.4 m
Correct Answer:- Option-A
Question30:-What is the maximum periodicity of inspection of electrical installations?
A:-4 years
B:-5 years
C:-2 years
D:-1 year
Correct Answer:- Option-B
Question31:-What is the clearance above ground level for an HT overhead line along any street?
A:-5.8 m
B:-5.5 m
C:-6.1 m
D:-6.4 m
Correct Answer:- Option-A
Question32:-When a 110 kV AC line across crosses a 500 KV DC line, what is the minimum clearance to be maintained? A:-6.79 m
B:-7.54 m
C:-6.04 m
D:-3.05 m
Correct Answer:- Option-A
Question33:-Who appoints the chairperson of Consumer Grievance Redressal Forum?
A:-The State Government
B:-State electricity Regulatory Commission
C:-The Licensee
D:-Public Service Commission
Correct Answer:- Option-C
Question34:-What is the maximum allowable percentage of Neutral Voltage in a distribution system?
A:-2
B:-3
C:-4
D:-5
Correct Answer:- Option-A
Question35:-What is the minimum horizontal clearance for a building adjacent to a 110 kV line?
A:-2.5 m
B:-4.6 m
C:-1.2 m
D:-2.9 m
Correct Answer:- Option-D
Question36:-Which Regulation of CEA (Measures relating to Safety and Electric supply) Regulations, 2010 prescribes earth guarding for overhead lines? A:-67
B:-73
C:-60
D:-114
Correct Answer:- Option-B
Question37:-How many years' experience in practice of Electrical Engineering is required, besides other qualifications, for a person to be appointed as Electrical A:-15
B:-20
C:-10
D:-8
Correct Answer:- Option-C
Question38:-When a 66 kV line crosses a 110 kV line, what is the minimum clearance to be maintained?
A:-6.79 m
B:-4.58 m
C:-6.04 m
D:-3.05 m
Correct Answer:- Option-D
Question39:-When a 220 kV line crosses a 110 kV line, what is the minimum clearance to be maintained?
A:-4.58 m
B:-3.05 m
C:-5.04 m
D:-2.44 m
Correct Answer:- Option-A
Question40:-Which is the 'Normal period' of demand for electricity supply specified for the state?
A:-10:00 hours to 17:00 hours
B:-08:00 hours to 16:00 hours
C:-18:00 hours to 22:00 hours
D:-06:00 hours to 18:00 hours
Correct Answer:- Option-D
Question41:-What is the minimum horizontal clearance for a building adjacent to an 11 kV line?
A:-2.5 m
B:-4.6 m
C:-3.7 m
D:-1.2 m
Correct Answer:- Option-D
Question42:-What is the percentage of ruling tariff applicable for 'Peak period' usage of energy by an HT consumer? A:-200
B:-150
C:-100
D:-125
Correct Answer:- Option-B
Question43:-Which is the IS for Fire Safety of Buildings?
A:-3837/1976
B:-1646/1997
C:-3854/1997
D:-732/1989
Correct Answer:- Option-B
Question44:-How much is the connected load above which Energy Conservation Building Code is to be implemented? A:-1000 kW
B:-100 kW
C:-500 kW
D:-200 kW
Correct Answer:- Option-C
Question45:-What is the minimum horizontal clearance for a building adjacent to a 33 kV line? A:-2.5 m
B:-4.6 m
C:-1.2 m
D:-2.0 m
Correct Answer:- Option-D
Question46:-What is the rate of Electricity Duty per unit consumption for Public Lighting in the state? A:-10 paise
B:-12 paise
C:-0 paise
D:-20 paise
Correct Answer:- Option-C
Question47:-What is the allowable variations in voltage on the higher side of HT supply? A:-6%
B:-8%
C:-9%
D:-12%
Correct Answer:- Option-C
Question48:-What is the minimum insulation value (in Mega Ohms) prescribed for HT installations? A:-10
B:-100
C:-50
D:-5
Correct Answer:- Option-D
Question49:-What is the ground clearance for a bare 11 kV line elsewhere other than a street? A:-4.6 m
B:-4.9 m
C:-5.1 m
D:-6.4 m
Correct Answer:- Option-A
Question50:-Which is the 'Peak hours' demand for electricity supply specified for the state? A:-10:00 hours to 17:00 hours
B:-08:00 hours to 16:00 hours
C:-18:00 hours to 22:00 hours
D:-06:00 hours to 18:00 hours
Correct Answer:- Option-C
Question51:-When an 11 kV line crosses another 11 kV line, what is the minimum clearance to be maintained? A:-3.05 m
B:-4.58 m
C:-6.04 m
D:-2.44 m
Correct Answer:- Option-D
Question52:-When a 220 kV AC line crosses a 400 kV DC line, what is the minimum clearance to be maintained? A:-6.79 m
B:-4.58 m
C:-6.04 m
D:-3.05 m
Correct Answer:- Option-C
Question53:-With whom an appeal is to be filed against an order an electricity Inspector? A:-Deputy Chief Electrical Inspector
B:-Chief Electrical Inspector
C:-State Government
D:-Central Government
Correct Answer:- Option-B
Question54:-How much is the Demand Charges per kVA demand per month for an HT 1(A) consumer? A:-Rs.300
B:-Rs.500
C:-Rs.400
D:-Rs.600
Correct Answer:- Option-A
Question55:-Which is the IS for Switches for domestic use?
A:-732/1989
B:-2412/1975
C:-3043/1987
D:-3854/1997
Correct Answer:- Option-D
Question56:-Who is the competent authority to appoint Electricity Ombudsman of a state?
A:-The licensee
B:-The High Court
C:-The State Electricity Regulatory Commission
D:-The Chief Electrical Inspector
Correct Answer:- Option-C
Question57:-What is the rate of duty applicable for each unit of energy generated for self consumption?
A:-12 paise
B:-1.2 paise
C:-2 paise
D:-20 paise
Correct Answer:- Option-B
Question58:-When a 110 kV line crosses another 110 kV line, what is the minimum clearance to be maintained? A:-4.58 m
B:-3.05 m
C:-6.04 m
D:-2.44 m
Correct Answer:- Option-A
Question59:-Who appoints Appellate authority?
A:-Chief Electrical Inspector
B:-State Government
C:-Licensee
D:-State Electricity Regulatory Commission
Correct Answer:- Option-B
Question60:-What is the maximum permissible number of 1.5 sq.mm single core cables that may be drawn into 20 mm Rigid non-metallic conduit? A:-4
B:-6
C:-8
D:-10
Correct Answer:- Option-B
Question61:-What is the minimum factor of safety for stay wires?
A:-1.5
B:-2.0
C:-2.5
D:-3.0
Correct Answer:- Option-C
Question62:-What is the minimum cross sectional area of a trolley wire?
A:-0.5 sq.mm
B:-1.0 sq.mm
C:-1.5 sq.mm
D:-2.0 sq.mm
Correct Answer:- Option-A
Question63:-What is the minimum vertical clearance for a building under a 220 kV line?
A:-2.5 m
B:-4.6 m
C:-5.5 m
D:-2.0 m
Correct Answer:- Option-C
Question64:-Who is the ex-officio Secretary of Kerala State Electricity Licensing Board?
A:-The Deputy Chief Electrical Inspector of Chief Electrical Inspectorate
B:-The Power Secretary
C:-Additional Chief Electrical Inspector
D:-The Senior most Electrical Inspector
Correct Answer:- Option-A
Question65:-What is the mandatory clearance to be provided in front of an LT panel?
A:-75 cm
B:-80 cm
C:-90 cm
D:-100 cm
Correct Answer:- Option-D
Question66:-What is the minimum vertical clearance specified for a building under an LT line?
A:-4.6 m
B:-3.7 m
C:-2.5 m
D:-4.0 m
Correct Answer:- Option-C
Question67:-What is the time limit for restoration of supply in case normal fuse off calls in urban areas?
A:-8 hours
B:-10 hours
C:-6 hours
D:-12 hours
Correct Answer:- Option-C
Question68:-What is the minimum vertical clearance specified for a building under an HT line?
A:-4.6 m
B:-3.7 m
C:-2.5 m
D:-4.0 m
Correct Answer:- Option-B
Question69:-How much is the Diversity Factor for domestic Lighting?
A:-1
B:-2
C:-1.5
D:-0.75
Correct Answer:- Option-C
Question70:-Which of the following is not under the administrative control of the Department of Electrical Inspectorate? A:-Kerala State Electricity Licensing Board
B:-Kerala State Electricity Board Ltd.
C:-The Meter Testing and Standards Laboratory
D:-Kerala State Cinema operators Examination Board
Correct Answer:- Option-B
Question71:-Which of the following 'IS' give recommendations on safety procedures and practices in Electricity work? A:-5216/1982
B:-3034/1993
C:-3043/1987
D:-7689/1989
Correct Answer:- Option-A
Question72:-What is the minimum vertical clearance specified for a building under a 66 kV line?
A:-4.6 m
B:-3.7 m
C:-2.5 m
D:-4.0 m
Correct Answer:- Option-D
Question73:-How many months is the maximum validity normally for a temporary connection?
A:-12
B:-3
C:-9
D:-6
Correct Answer:- Option-A
Question74:-What is the maximum height at which the Emergency Switch for disconnecting supply to a Multi-storied building has to be located? A:-1.5 m
B:-1.6 m
C:-1.7 m
D:-1.8 m
Correct Answer:- Option-C
Question75:-What is the maximum connected load that can be connected to a 415 V supply?
A:-50 kVA
B:-200 kVA
C:-100 kVA
D:-5 kVA
Correct Answer:- Option-C
Question76:-What is the estimated load, as per norms, for each 10 square meter of constructed area in a commercial installation? A:-1000 W
B:-1500 W
C:-2000 W
D:-2500 W
Correct Answer:- Option-B
Question77:-Which section of Electricity Act 2003 contains Provisions relating to Safety and Electricity Supply? A:-33
B:-63
C:-83
D:-53
Correct Answer:- Option-D
Question78:-Which of the following is not a general function of Central Electricity Regulatory Commission?
A:-Build and Operate power generating stations
B:-Determine tariff for inter state transmission of electricity
C:-Regulate inter state transmission of Electricity
D:-Specify Grid code having regard to Grid standards
Correct Answer:- Option-A
Question79:-What is the maximum Contract Demand allowed for a consumer availing 11 kv supply?
A:-500 kVA
B:-100 kVA
C:-1000 kVA
D:-3000 kVA
Correct Answer:- Option-D
Question80:-What is the percentage of permissible loading unbalance between phases of a Low voltage three phase consumer? A:-10
B:-12
C:-8
D:-5
Correct Answer:- Option-D
Question81:-When a 220 kV line crosses another 220 kV line, what is the minimum clearance to be maintained? A:-3.05 m
B:-4.58 m
C:-6.04 m
D:-2.44 m
Correct Answer:- Option-B
Question82:-How many days' notice is to be served to a consumer for disconnection of supply for non-payment of dues?
A:-15
B:-7
C:-30
D:-10
Correct Answer:- Option-A
Question83:-Which section of Electricity Act 2003, empowers formation of State Electricity Regulatory Commission A:-82
B:-42
C:-62
D:-72
Correct Answer:- Option-A
Question84:-Who appoints the Appellate Tribunal for Electricity?
A:-State Government
B:-State Electricity Regulatory Commission
C:-Central Government
D:-Central Electricity Regulatory Commission
Correct Answer:- Option-C
Question85:-What is the maximum Contract Demand allowed for a consumer availing 33 kV supply? A:-5000 kVA
B:-10000 kVA
C:-15000 kVA
D:-12000 kVA
Correct Answer:- Option-D
Question86:-Who is the Appropriate Authority for implementing Quality control Orders for electrical goods in the State? A:-State Electricity Regulatory Commission
B:-Secretary, Industries Department
C:-Chief Electrical Inspector
D:-Chief Secretary
Correct Answer:- Option-C
Question87:-What is the maximum Contract Demand allowed for a consumer availing 110 kV supply? A:-40000 kVA
B:-10000 kVA
C:-15000 kVA
D:-30000 kVA
Correct Answer:- Option-A
Question88:-Which Section of Electricity Act 2003 contains provision for establishing National Load Despatch Centre? A:-34
B:-39
C:-26
D:-56
Correct Answer:- Option-C
Question89:-When an 11 kV line crosses a 110 kV line, what is the minimum clearance to be maintained? A:-4.58 m
B:-3.05 m
C:-6.04 m
D:-2.44 m
Correct Answer:- Option-B
Question90:-What is the maximum span allowed for a Low Voltage overhead line at a road crossing? A:-65 m
B:-80 m
C:-70 m
D:-75 m
Correct Answer:- Option-A
Question91:-What is the maximum number of full time members in Central Electricity Authority? A:-6
B:-7
C:-9
D:-8
Correct Answer:- Option-D
Question92:-What is the Average Service Availability Index (ASAI) for rural areas?
A:-97
B:-97.5
C:-98
D:-98.5
Correct Answer:- Option-B
Question93:-What is the clearance above ground level for an HT overhead line across any street? A:-5.5 m
B:-5.8 m
C:-6.1 m
D:-6.4 m
Correct Answer:- Option-C
Question94:-Which is the IS for earthing practices?
A:-3646/1992
B:-7662/1974
C:-3043/1987
D:-8884/1978
Correct Answer:- Option-C
Question95:-What is the permissible voltage drop at the end of a feeder cable?
A:-4%
B:-5%
C:-10%
D:-6%
Correct Answer:- Option-B
Question96:-How much is the approved power rating of a 16 A socket outlet?
A:-800 W
B:-1600 W
C:-500 W
D:-1000 W
Correct Answer:- Option-D
Question97:-How many service tapings can be taken off a support of an LT overhead line? A:-10
B:-6
C:-8
D:-4
Correct Answer:- Option-D
Question98:-What is the clearance above ground level for an LT overhead line across any street? A:-5.5 m
B:-6.1 m
C:-5.8 m
D:- 6.4 m
Correct Answer:- Option-C
Question99:-How many times the normal current is the permissible starting current of a 7.5 kW motor? A:-5
B:-3
C:-6
D:-4
Correct Answer:- Option-B
Question100:-What is the minimum horizontal clearance for a building adjacent to a 66 kV line? A:-2.3 m
B:-4.6 m
C:-1.2 m
D:-3.7 m
Correct Answer:- Option-A