Energy Types MCQs : This section focuses on the "Energy Types". These Multiple Choice Questions (MCQs) should be practiced to improve the Energy Types skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
An object is moved at a distance of 10 m with the force of 5 N, what is the work done by the force?
A. 5 Joule
B. 50 Joule
C. 500 Joule
D. 5000 Joule
Question 2
An object is moved from one position to another with a specific force, what type of work is it?
A. Shaft Work
B. Flow Work
C. Mechanical Work
D. None of the mentioned
Question 3
An object moved forward 10 meters and then comes back 5 meter all with a constant force of 5 N, what is the work done by the force?
A. 5 Joule
B. 25 Joule
C. 50 Joule
D. 75 Joule
Question 4
Q amount of heat is transferred in an adiabatic process, which of the following is correct?
A. Q > 0
B. Q = 0
C. Q < 0
D. Cannot say
Question 5
Q amount of heat is transferred to a system, which of the following is correct?
A. Q > 0
B. Q < 0
C. Q = 0
D. Cannot say
Question 6
Ratio heat transferred from 37oC to a colder body and from that body to – 11oC is 2, what is the temperature of colder body if surface areas are same for all bodies?
A. – 5oC
B. – 3oC
C. 5oC
D. 9oC
Question 7
Temperature of a system is increased with no change in internal energy, if the work done by the system is 10 Joule, what amount of heat is taken out from the system?
A. 10 J
B. – 10 J
C. 0
D. 5 J
Question 8
A piston cylinder contracts from 10 Liter to 5 Liter with an external pressure of 10 Pa, what is the work done on the system?
A. 0.5 mJ
B. 5 mJ
C. 10 mJ
D. 50 mJ
Question 9
A piston cylinder expands from 7 liter to 15 liter with the external pressure of 500 Pa, what is the work done by the system?
A. – 1.5 Joule
B. – 4 Joule
C. 1.5 Joule
D. 4 Joule
Question 10
A piston cylinder expands from 8 liter to 12 liter with the external pressure of 900 Pa, what is the work done on the system?
A. 3.6 Joule
B. – 3.6 Joule
C. 7.2 Joule
D. – 7.2 Joule
Question 11
A piston cylinder expands with some pressure, what is the work done by the system?
A. Positive
B. Negative
C. Zero
D. Cannot Say
Question 12
Which of the following is not the type of energy?
A. Enthalpy
B. Heat
C. Entropy
D. Work
Question 13
Which of the following process P-V work in highest?
A. Second derivative is negative
B. Second derivative is positive
C. Second derivative is zero
D. All of the mentioned
Question 14
You shake a thermos so that the temperature of tea inside increases by 2oC, if you transferred Q amount of heat to the thermos, which of the following satisfies Q?
A. Q > 0
B. Q < 0
C. Q = 0
D. Cannot say