Power Maintenance MCQ

1 Answer

Answer :

1) Turbine pumps are used up to a suction head of ( b )
a. 1000 ft. c. 20 ft
b. 100 ft d. 50 ft
2) The yard stick for provision of Electrical points in staff quarters can
be changed by the Zonal railways with the approval of ( a )
a. Railway Board c. General Manager
b. EIG d. CSO
3) Who functions as Electrical Inspector to Government of India in
Indian Railways? ( c )
a. Chief Electrical Loco Engineer c. Chief Electrical Engineer
b. Chief Electrical Services Engineer d. Chief Safety Officer
4) The illumination is measured in term of ( c )
a Tesla c. Lux
b. Candela/m2 d. Gauss
5) The EIG draws his powers from ( c )
a. The“RailwayElectricity Act” c. The “Indian Railways Act”
b. The“Indian Electricity Rules” d. The “Electricity Act, 2003”
6) Both the pump and motor are inside water in case of ( b )
a. Turbine pump c. Centrifugal pump
b. Submersible pump d. Jet pumps
7) To reduce Electrical energy bill, power factor should be kept ( d )
a. as less as possible c. power factor does not affect energy bill
b. as high as possible d. as close to unity as possible
8) Which type of overlap is formed at the end of every tension length:- ( b )
a. Insulated overlap c.
either Insulated overlap or un-insulated
overlap
b. un-insulated overlap d. none of the above.
9) Earth pit value resistance is measures in which type of meter ( c )
a. Insulation megger c. Earth megger
b. volt meter d. Am meter
10) Insulation value resistance of a cable is measures in which type of
meter ( b )
a. Clip on meter c. Lux meter
b. Insulation megger d. Earth megger
11) How many neutrals earth pits are there for one transformer in a
sub-station ( C )
a. One c. Two
b. Three d. Four
12) Minimum how many earth pits are there in a 11 KVsub-station ( b )
a. Four c. Six
b. Eight d. Ten
13) Schedule maintenance for CLS panel is done ( c )
a. Weekly c. Fortnightly
b. Monthly d. Yearly
14) What is the earth resistance value for residential quarters ( c )
a. 1 Ohm c. 8 Ohms
b. 6 Ohms d. 10 Ohms
15) What type of earthing is found in 11 KV sub-station ( b )
a. plate type c. strip type
b. pipe type d. none of the above
16) Which type fire extinguisher is used for electrical fire ( b )
a. Water c. Foam
b. Co2 & dry powder d. None of the above

Related questions

Description : Power Maintenance INDICATE TRUE OR FALSE TO THE FOLLOWING

Last Answer : 1) MCB is used in circuits for Overload protection. True or False Ans True 2) We can improve the earth resistance by packing common salt charcoal & water. (True or False) Ans True 3) Silica gel used ... False 15) Shorting of power diode test to be conducted at full load. (True or false) Ans True

Description : Power Maintenance FILL IN THE BLANKS

Last Answer : 1) The process of removing heat from low temperature level and rejecting at high temperature is called. REFRIGERATION. 2) Any substances for change of its state at constant temperature absorbs/give up heat is ... ) The capacity of alternator, batteries & fans in TL coach are 4.5KW, 120Ah & 35W.

Description : Power Maintenance ABBREVIATIONS

Last Answer : 1 W - Watts 2 KW - Kilowatts 3 KWH - Kilowatt Hour 4 KVA - Kilo Volt Amps 5 KVAR - Kilo Volt Ampers Reactive 6 H.P. - Horse Power 7 A.H. - Ampere Hours 8 P.F. - Power Factor 9 R.P.M. - ... L.T.U.G - Low Tension Under Ground 36 P.V.C. - Poly Vinly Chloride 37 H.R.C. - High Rapturing Capacity

Description : TRANSMISSION AND DISTRIBUTION MCQ

Last Answer : 51. It is difficult to maintain oil filled cables. (a) Yes (b) No Ans: a 51. In capacitance grading a homogeneous dielectric is used. (a) Yes (b) No Ans: b 52. In congested areas where excavation is ... The metallic sheath may be made of lead or lead alloy or of aluminium. (a) Yes (b) No Ans: b

Description : SYNCHRONOUS MOTORS MCQ

Last Answer : 101. In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then (a) the motor is said to be fully loaded (b) the torque ... square of the applied voltage (c) inversely proportional to applied voltage (d) none of the above Ans: a

Description : SINGLE PHASE INDUCTION MOTORS MCQ

Last Answer : 101. After the starting winding of a single phase induction motor is disconnected from supply, it continues to run only on (a) running winding (b) rotor winding (c) field winding (d) compensating winding Ans: a ... motor is usually reduced by using (a) gearing (b) belts (c) brakes (d) chains Ans: a

Description : THREE PHASE INDUCTION MOTORS MCQ

Last Answer : 101. Insertion of resistance in the stator of an induction motor (a) increases the load torque (b) decreases the starting torque (c) increases the starting torque (d) none of the above Ans: b

Description : TRANSFORMERS MCQ

Last Answer : 101. A shell-type transformer has (a) high eddy current losses (b) reduced magnetic leakage (c) negligibly hysteresis losses (d) none of the above Ans: b 102. A transformer can have regulation closer to zero (a ... (6) much smaller (c) much higher (d) somewhat smaller (e) none of the above Ans: c

Description : DC MOTOR MCQ

Last Answer : 101. Which of the following loss in a D.C. generator is dissipated in the form of heat? (a) Mechanical loss (b) Core loss (c) Copper loss (d) All of the above Ans: d 102. Which of the following ... (b) does not run as a generator (c) also runs as a motor comes to stop after sometime Ans: a

Description : DC GENERATORS MCQ

Last Answer : 101. Wave winding is composed of (a) any even number of conductors (b) any odd number of conductors (c) that even number which is exact multiple of poles + 2 (d) that even number ... increase the field resistance (c) increase the speed of primemover (d) check armature insulation resis¬tance Ans: a

Description : MCQ on Motor Control Center

Last Answer : 1. MCC stands for ______ a. Motor Control Center b. Motor Control Cost c. Machine Components Center d. None of the above Answer : a. Motor Control Center 2. MCC contains _____ a. Fuse b. MCB c. ... a) Start the motor b) Accelerate the motor c) Decelerate the motor d) Stop the motor Answer : a

Description : Batteries Maintenance –

Last Answer : a) Specific gravity. b) Voltage/Cell. ON Load/OFF Load(2.2V when fully charged and 1.8 when fully discharged.

Description : Explain Briefing the half yearly schedule maintenance of OH mains?

Last Answer : Ans. "(a) Check all the jumper connections (b) Check any connections of the strands of the conductor (c ) Check and ensure proper earth connection (d) Check proper fixation of insulators, stay wires, guard wires, etc. (e) Check proper tensioning and connection of service wires."

Description : What are the schedule maintenance to be carried out OH mains & UG Cables?

Last Answer : Ans. Following are the schedule to be maintained of HO mains and UG cables. a. OH mains – Every Half yearly b. UG.Cables – Every Yearly. During those schedules, for OH, Guarding condition of insulators, sag in OH line are to be checked for UG cables, cables are to be beggared for their IR values.

Description : What are the maintenance schedules of a pumping station and type of starters?

Last Answer : Ans. Following are maintenance schedule of the pumping installation: Switch gear in every quarter and the motor & pump section every half yearly. Starters are DOL starter, star delta starter, Auto T/F starter.

Description : What are the schedules of maintenance done on transformers?

Last Answer : Ans. Following are the schedules of maintenance on transformers. a. Daily maintenance. b. Monthly maintenance. c. Quarterly maintenance. d. Half yearly maintenance. e. Yearly maintenance. f. 5 Yearly maintenance.

Description : Septic System Maintenance

Last Answer : Nobody is interested in thinking about what happens when someone forgets to clean his or her septic system in the backyard. We don't need to tell you either. Not draining and cleaning your septic ... its regular cleaning schedule you don't have to worry about the system breaking down anytime soon.

Description : Maintenance and Care: How to clean your Vacuum Cleaner

Last Answer : Maintenance and Care: How to clean your Vacuum Cleaner There are numerous ways to clean your vacuum cleaner, depending on the brand (manufacturer) and design. However, it is best to ... will bother your work area. Remember, safety considerations are important to prevent any unwanted accidents.

Description : Explain on-line maintenance of Rotameter. 

Last Answer : On line maintenance of Rotameter: In a chemical plant, it is a normal practice to do on line maintenance work. This avoids total shutdown of the equipment or plant. This is possible, if proper ... . Thus it is possible to attend maintenance jobs in the line without stopping the production.

Description : Explain functions and responsibilities of maintenance department.  

Last Answer : Functions and duties of plant maintenance department 1)Inspection 2)Engineering 3) Maintenance 4) Repair 5) Overhaul 6)Construction 7) Salvage 8) Clerical work 1)Inspection: i) Inspection of ... , ii) of time progress on jobs pertaining to important features of building and production equipment.

Description : Explain breakdown maintenance. Give any two disadvantages of it.  

Last Answer : Breakdown maintenance: This method of maintenance implies that repairs are made after the equipment is out of order and it cannot perform its normal function any longer. In such situation, ... those plant items which are regulated by statutory provision eg. Cranes, lifts, and pressure vessels.

Description : Explain preventive maintenance. 

Last Answer : Preventive maintenance: It is a system of scheduled, planned maintenance tries to minimize the problem of breakdown maintenance. It is a stich- in- time procedure. It locates weak spots in all equipment ... 8. Lower unit cost of manufacture. 9. Increased equipment life. 10. Better product quality.

Description : Name types of maintenance. 

Last Answer : Types of maintenance: 1. Corrective or breakdown maintenance 2. Scheduled maintenance 3. Preventive maintenance 4. Predictive maintenance

Description : Describe scheduled maintenance. What are its advantages ? 

Last Answer : Scheduled maintenance: Scheduled maintenance is a stich-in-time procedure which is aimed at avoiding breakdowns. Breakdowns can be dangerous to life and hence should be minimized. Scheduled ... , such as lubricating and retightening screws Lower long term costs compared with breakdown maintenance 

Description : Explain predictive maintenance in detail.

Last Answer : Predictive maintenance: Predictive maintenance makes use of human sense or other sensitive instruments such as audio gauges, vibration analyser, amplitude meter , pressure , temperature and resistance ... 4. Pressure, temperature and resistance strain gauges: eg. Excessive temperature of equipment.

Description : Describe online maintenance with respect to rotameter. 

Last Answer : On line maintenance of Rotameter: In a chemical plant, it is a normal practice to do on line maintenance work. This avoids total shutdown of the equipment or plant. This is possible, if proper ... . Thus it is possible to attend maintenance jobs in the line without stopping the production.

Description : Give the importance of plant maintenance. 

Last Answer : Importance of Plant Maintenance : In modern industry, equipment and machinery are a very important part of the total productive effort. With the development of special purpose and sophisticated machines ... and services required by other section of the factory for the performance of their function.

Description : Explain the activities carried out during weekly maintenance of 3 ph. Induction motor. 

Last Answer : Activities Carried out During Weekly Maintenance of 3 ph. Induction Motor:  1) Check belt tension. In cases where this is excessive it should immediately be reduces and in the case of sleeve ... and cooled by oil mist systems its important to check the oil mist flow paths/pressure components.

Description : Explain the maintenance of lead acid battery.

Last Answer : Maintenance of lead acid battery: 1) Keep the container surface dry by using dry cloths. 2) Tighten the terminal connections. 3) Battery should not be discharged below a minimum voltage. 4) Never keep battery ... -container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : Which of the following circuit breakers has high reliability & minimum maintenance?  (A) Bulk oil type CB (B) Air blast CB (C) Vacuum CB (D) Sulphur hexafluoride CB 

Last Answer : Which of the following circuit breakers has high reliability & minimum maintenance?  (A) Bulk oil type CB (B) Air blast CB (C) Vacuum CB (D) Sulphur hexafluoride CB 

Description : Can I reset the regulator on my gas grill?

Last Answer : Sounds like the burner is not getting enough air, try cleaning the port where the air and gas mix. Look for little creepy crawlers in the port.

Description : How are public access e-scooters and e-bikes that are scattered all over the city maintained?

Last Answer : They’ve been very controversial. There are lots of articles on rental scooters that you’ll find if you google them. But yes, people do collect them at night and recharge them as contractors to the rental companies, if the scooters haven’t been stripped, dismantled, or thrown into a body of water.

Description : What can I do to protect my XBox 360?

Last Answer : the red rings come from overheating. When it gets hot to the touch or you hear the inner fan working overtime, take a break. Also, you can buy an intercooler fan that plugs on the back for about $15 at gamestop.

Description : Is there a good way of removing scratches from glass?

Last Answer : answer:http://www.rkdm.com/liquidlense/ There you go!

Description : Give procedure for doing safety audit. Explain records to be examined during safety audit. 

Last Answer : Procedure of safety Auditing : Safety audit is carried out by a team whose members are not involved in the plant or activity being audited. The expertise of the team should be compatible with ... . Maintenance procedure records. 14. House keeping inspection records. 15. Record of previous audits.

Description : Describe the sampling technique for petrochemical industry. 

Last Answer : Sampling technique for petrochemical industry: In the petrochemical industry, representative samples of liquid petroleum gas and other high vapor pressure gases and liquids are needed for process monitoring, ... quality, protect plant assets, and keep operators, the public and the environment safe.

Description : Explain factories Act 1948 with respect to (i) General duties of occupier (ii) Approval, licencing and registration of factories (iii) Duties of the inspector. 

Last Answer : Factories Act 1948: (i) General duties of occupier:  (1) Every occupier shall ensure, so far as is reasonably practicable, the health, safety and welfare of all workers while they ... be compelled under this section to answer any question or give any evidence tending to incriminate himself.

Description : Explain safe work place layout in industry. 

Last Answer : Safe work place layout in industry: 1. The layout should be such that every workman has enough space to move and operate. 2. The minimum distance between each equipment should be 75 ... each major hazard. 8. Equipment within process unit should be located with due consideration to potential hazard.

Description : Explain objectives of safety audit.  

Last Answer : Objectives of safety audit: Objectives are: 1. To provide the safe working place to every working staff and management. 2. To identify different level of hazards in each working place ... and correct safety impediments which may result in personal injuries, property damage or business interruption.

Description : Give safety measures adopted in fertilizer industry.  

Last Answer : Education and personal hygiene PPE and safety showers Process segregation Heat insulation and careful operation handling Probably handle mechanization and automation Proper ventilation Pipe line and storage tank precaution specially ammonia storage  Catalyst handling and storage

Description : Explain information derived from Hazard Analysis (HAZAN).

Last Answer : Information derived from HAZAN: It is the operation in which initial study is done to determine Hazard, effect and its causes. e.g. Manufacturing of product using electricity Hazard could be assumed as ... system cause the accident for storage reactor, pipe line, vessel 3) Find out the initial event

Description : Explain the steps to build a safety strategic plan. 

Last Answer : Steps to build a safety strategic plan: 1. Decide the mission and long range objectives of an organization 2. Collect and analyses the related information of mission, objectives and challenges 3 ... and environmental crisis that can be faced in future. 5. Implement and control the alternative

Description : Explain causes of accident. 

Last Answer : Causes of accident:  Causes of accident in an industry:  1. Technical causes. These are due to un safe condition which is originated from a) Mechanical factors b) Environmental ... vi) Lack of skill and knowledge. vii)Improper attitude towards work viii)Carelessness ix) Inattentiveness.

Description : Explain safety failures which caused Bhopal tragedy. 

Last Answer : Safety failures which caused Bhopal tragedy: 1.During the leakage of methyl Isocynate from the storage tanks of union carbide the water sprayers of the industry was not in working conditions. 2. ... Gas scrubbers were not in working condition. 5. Absence of occupiers in industry at that situation.

Description : Define hazard. Name different types of hazard.

Last Answer : Hazard: A hazard in anything in the work place that has the potential to harm people. It includes objects in the workplace such as machinery or dangerous chemicals. Types of hazards : 1) Mechanical ... 3) Noise hazards 4) Radiation hazards 5) Explosion hazards 6) Toxic hazards 7) Chemical hazards

Description : Explain events leading to flixborough industrial disaster. 

Last Answer : Events leading to flixborough industrial disaster: The plant at Flixborough produced the raw materials for nylon. The disaster happened during the processing of cyclohexane - a highly inflammable component liquid - when a ... simplest form it's a bit like throwing water on to a burning chip pan." 

Description : Give the steps involved in accident investigation. 

Last Answer : Steps involved in accident investigation: 1. Provide first aid and/or medical care to the injured persons and take action to prevent further injury or damage. This is the first priority. ... the effectiveness of the corrective actions taken. 9. Make adjustments as needed to continue to improve.

Description : Explain Failure Modes and Effect Analysis (FEMA). 

Last Answer : Failure Modes and Effective Analysis (FMEA): FMEA is a design tool used to systematically analyze component failure and identify the resultant effects on system operations. It is a systematic way of identifying ... 4. Human errors are not considered It considers only one failure mode at a time.

Description : Describe the process of safety planning. 

Last Answer : Process of safety planning: The steps of planning are: 1. Identify problems 2. Establish objectives or goals 3. Develop planning premises(eg. Land, labour, capital, market, money, time, production, ... . Select a course of action 7. Formulate derivative (final) plan and sub pland as per need.

Description : Name various hazards in polymer plants. 

Last Answer : Various hazards in polymer plants: 1. Chemicals like formaldehyde and caprolactam cause burning in eyes, nose and throat. 2. High temperature and pressure of thermic fluid may cause burn and ... used in making polyester resins may cause fire and explosion. Styrene vapour may cause narcosis.