Basic Mechanical Engineering (3110006) MCQs

MCQs of Introduction

Showing 11 to 20 out of 38 Questions
11.
The S.I. unit N·m/s is called
(a) Watt
(b) Joule
(c) Calorie
(d) none of these
Answer:

Option (a)

12.
The unit of energy is
(a) Watt
(b) Joule
(c) Joule-meter
(d) none of these
Answer:

Option (b)

13.
Which of the following is a unit of Power?
(a) Joules
(b) Watt
(c) Meter
(d) None from these
Answer:

Option (b)

14.
___________ means rate of doing work.
(a) Energy
(b) Force
(c) Power
(d) Pressure
Answer:

Option (c)

15.
Which of the following is high grade energy?
(a) work
(b) heat
(c) chemical energy
(d) none of the above
Answer:

Option (a)

16.
In an isolated system, what transfers across system boundaries?
(a) Mass
(b) Energy
(c) Both mass and energy
(d) Neither mass nor energy
Answer:

Option (d)

17.
Any change that a system undergoes from one equilibrium state to another is known as______.
(a) path
(b) process
(c) cycle
(d) all of these
Answer:

Option (b)

18.
A system in which there is no transfer of mass across its boundaries is called
(a) closed system
(b) open system
(c) isolated system
(d) none of these
Answer:

Option (a)

19.
The mass or region outside the system is known as
(a) boundary
(b) surrounding
(c) system
(d) none of these
Answer:

Option (b)

20.
Which of the following instrument is used to measure temperature?
(a) Vernier caliper
(b) Manometer
(c) Thermometer
(d) None of the above
Answer:

Option (c)

Showing 11 to 20 out of 38 Questions