901. The centre of oscillation and centre of suspension for a compound pendulum are interchangeable.
TRUE
FALSE
✅ The correct answer is option A.
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.
902. The maximum fluctuation of speed is the
difference of minimum fluctuation of speed and the mean speed
difference of the maximum and minimum speeds
sum of maximum and minimum speeds
variations of speed ab
✅ The correct answer is option B.
903. Gamma-iron occurs between the temperature range of
400°C to 600°C
600°C to 900°C
900°C to 1400°C
1400°C to 1530°C
✅ The correct answer is option C.
904. A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be
same
double
half
one-fourth
✅ The correct answer is option B.
905. Two shafts ‘A’ and ‘B’ are made of same material. The shaft ‘A’ is solid and has diameter D. The shaft ‘B’ is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.
Jan-16
1-Aug
1-Apr
15/16
✅ The correct answer is option D.
906. A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called
receiver type compound engine
Tandem type compound engine
Woolf type compound engine
both (a) and (b)
✅ The correct answer is option A.
907. The carbide tools operating at very low cutting speeds (below 30 m/min)
reduces tool life
increases tool life
have no effect on tool life
spoils the work piece
✅ The correct answer is option A.
908. The vacuum pressure is always the negative gauge pressure.
Yes
No
✅ The correct answer is option A.
909. In designing a connecting rod, it is considered like __________ for buckling about Y-axis.
both ends hinged
both ends fixed
one end fixed and the other end hinged
one end fixed and the
✅ The correct answer is option B.
910. The factional resistance of a pipe varies approximately with __________ of the liquid.
pressure
velocity
square of velocity
cube of velocity
✅ The correct answer is option C.