3661. The capacity of a battery is usually expressed in terms of
volts
amperes
weight
ampere-hours
✅ The correct answer is option D.
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.
3662. The difference between the upper limit and lower limit of a dimension is called
nominal size
basic size
actual size
tolerance
✅ The correct answer is option D.
3663. A column of length l is fixed at both ends. The equivalent length of the column is
l/2
l/2
l
2 l
✅ The correct answer is option A.
3664. The maximum fluctuation of energy is the
difference between the maximum and minimum energies
sum of the maximum and minimum energies
variations of energy above and below the mean resisting torque line
ratio of the mean resi
✅ The correct answer is option A.
3665. The pressure of liquid at throat in a venturimeter is __________ than that at inlet.
higher
lower
✅ The correct answer is option B.
3666. Two general types of tyres are
tube type and tubeless
solid and tubeless
air and pneumatic
split-rim and drop cen
✅ The correct answer is option A.
3668. The high steam and low water safety valve is used to blow off steam when the
steam pressure exceeds the working pressure
water level in the boiler becomes too low
both (a) and (b)
none of the above
✅ The correct answer is option C.
3669. A flow is called super-sonic if the
velocity of flow is very high
discharge is difficult to measure
Mach number is between 1and 6
none of these
✅ The correct answer is option C.
3670. A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zig-zag riveting is proposed. Which of the following statement is correct?
There are four rivets per pitch length, all in double shear
There are four rivets per pitch length, out of which two are in single shear and two are in double shear
There are five rivets per pitch length, all in double shear
There are five rivets
✅ The correct answer is option D.