1201. The function of a governor in automobiles is to
limit the power
limit the vehicle speed
maintain constant engine speed
maximise the fuel econ
✅ The correct answer is option C.
Mechanical Engineering
Prepare with the best Mechanical Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers core topics such as engineering mechanics, thermodynamics, strength of materials, theory of machines, fluid mechanics, heat transfer, manufacturing processes, machine design, and power plant engineering. These Mechanical Engineering multiple-choice questions are designed for students, fresh graduates, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving ability with our updated and comprehensive Mechanical Engineering MCQs.
1202. An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)
tan θ = a/g
tan θ = 2 a/g
tan θ = a/2g
tan θ = a2/2g
✅ The correct answer is option A.
1203. Whitworth quick return motion mechanism is an inversion of a double slider crank chain.
Correct
Incorrect
✅ The correct answer is option B.
1204. The delay period in oil engines increases with increase in the speed of engine.
Agree
Disagree
✅ The correct answer is option B.
1205. The pressure of air __________ with the increase of height from the surface of the earth.
does not change
decreases
increases
✅ The correct answer is option B.
1206. Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.
upwards
downwards
✅ The correct answer is option A.
1207. Sulphur in cast iron
makes the iron soft and easily machinable
increases hardness and brittleness
makes the iron white and hard
aids fusibility and fl
✅ The correct answer is option B.
1208. The machinability of steel is improved by adding
nickel
chromium
nickel and chromium
sulphur, lead and phos
✅ The correct answer is option D.
1210. The velocity factor for carefully cut gears operating at velocities upto __________ is equal to 4.5/4.5 + v.
10 m/s
12.5 m/s
15 m/s
20 m/s
✅ The correct answer is option B.