2831. In order to completely specify angular displacement by a vector, it must fix
direction of the axis of rotation
magnitude of angular displacement
sense of angular displacement
all of these
✅ 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.
2832. In a framed structure, as shown in the below figure, the force in the member CD is tensile in nature.
Agree
Disagree
✅ The correct answer is option A.
2833. The effect of setting a boring tool above centre height leads to
increase in the effective rake angle and a decrease in the effective clearance angle
increase in both effective rake angle and effective clearance angle
decrease in the effective rake angle and an increase in the effective clearance angle
decrease in both effec
✅ The correct answer is option A.
2834. A lathe with four steps on the cone pulley and with backgears will have
four direct speeds
four indirect speeds
four direct and four indirect speeds
eight indirect speeds
✅ The correct answer is option C.
2835. For a Parson’s reaction turbine, if α1 and α2 are fixed blade angles at inlet and exit respectively and β1 and β2 are the moving blade angles at entrance and exit respectively, then
α1 = α2 and β1 = β2
α1 = β1 and α2 = β2
α1 < β1 and α2 > β2
α1 = β2 and β1 = α2
✅ The correct answer is option D.
2836. The maximum bending moment of a simply supported beam with central point load lies at the point of loading.
TRUE
FALSE
✅ The correct answer is option A.
2837. In drilling mild steel and brass, the point angle of a drill is 118°.
TRUE
FALSE
✅ The correct answer is option A.
2838. Two equal and opposite parallel forces whose lines of action are different form a couple.
Correct
Incorrect
✅ The correct answer is option A.
2839. The temperature produced by oxy-hydrogen flame is about
1800° C
2100° C
2400° C
3200° C
✅ The correct answer is option C.
2840. A spring is used to
measure forces
apply forces
store energy
all of these
✅ The correct answer is option D.