Electrical Heating MCQ Part 4
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Attempt Free Electrical Heating MCQ Part 4 Here. Read The Important Electrical MCQ From Below.
Q1. A perfect black body is one that
A. transmits all incident radiations
B. absorbs all incident radiations
C. reflects all incident radiations
D. absorbs, reflects and transmits all incident radiations
Answer : B
Q2. The material of the heating element for a furnace should have
A. lower melting point
B. higher temperature co-efficient
C. high specific resistance
D. all of the above
Answer : C
Electrical Heating MCQ Part 4
Q3. Induction heating takes place in which of the following ?
A. Insulating materials
B. Conducting materials which are magnetic
C. Conducting materials which are non-magnetic
D. Conducting materials which may or may not be magnetic
Answer : D
Q4. Radiations from pro-portional to a black body are
A. T
B. T2
C. T3
D. T4
Answer : D
Electrical Heating MCQ Part 4
Q5. For radiant heating around 2250°C, the heating elements are made of
A. copper alloy
B. carbon
C. tungsten alloy
D. stainless steel alloy
Answer : C
Q6. Overload capacity of diesel engines is usually restricted to
A. 2 percent
B. 10 percent
C. 20 percent
D. 40 percent
Answer : B
Electrical Heating MCQ Part 4
Q7. Which of the following state capitals is not on broad gauge track ?
A. Lucknow
B. Bhopal
C. Jaipur
D. Chandigarh
Answer : C
Q8. Co-efficient of adhesion is
A. high in case of D.C. traction than in the case of A.C. traction
B. low in case of D.C. traction than in the case of A.C. traction
C. equal in both A.C. and D.C. traction
D. any of the above
Answer : B
Electrical Heating MCQ Part 4
Q9. Vacuum created by which of the following?
A. Vacuum pump
B. Ejector
C. Any of the above
D. None of the above
Answer : C
Q10. Locomotive having mono motor bogies
A. has better co-efficient of adhesion
B. are suited both for passanger as well as freight service
C. has better riding qualities due to the reduction of lateral forces
D. all of the above
Answer : D
Electrical Heating MCQ Part 4
Q11. The return circuit for tramcars is through
A. neutral wire
B. rails
C. cables
D. common earthing
Answer : B
Q12. In case of a steam engine an average coal consumption per km is nearly
A. 150 to 175 kg
B. 100 to 120 kg
C. 60 to 80 kg
D. 28 to 30 kg [Correct Answer]
Answer : D
Electrical Heating MCQ Part 4
Q13. Which of the following track is electrified
A. Delhi – Bombay
B. Delhi – Madras
C. Delhi – Howra [Correct Answer]
D. Delhi – Ahmedabad
Answer : C
Q14. For diesel locomotives the range of horsepower is
A. 50 to 200
B. 500 to 1000
C. 1500 to 2500 [Correct Answer]
D. 3000 to 5000
Answer : C
Electrical Heating MCQ Part 4
Q15. In case of steam engines the steam pressure is
A. 1 to 4 kgf/cm2
B. 5 to 8 kgf/cm2
C. 10 to 15 kgf/cm2 [Correct Answer]
D. 25 to 35 kgf/cm2
Answer : C
