2851. The coriolis component of acceleration leads the sliding velocity by
45°
90°
135°
180°
✅ The correct answer is option B.
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.
2852. In the below figure, the point B represents upper yield point.
Correct
Incorrect
✅ The correct answer is option A.
2853. The power transmitted by a belt is maximum when the maximum tension in the belt is __________ of centrifugal tension.
one-third
two-third
double
three times
✅ The correct answer is option D.
2854. The unbalanced primary forces in a reciprocating engine are
balanced completely
balanced partially
balanced by secondary forces
not balanced
✅ The correct answer is option B.
2855. The fatigue stress concentration factor is defined as
the ratio of endurance limit with stress concentration to the endurance limit without stress concentration
the ratio of endurance limit without stress concentration to the endurance limit with stress concentration
the product of the endurance limits with and without stress concentration
all of the above
✅ The correct answer is option B.
2856. In a gear having involute teeth, the normal to the involute is a tangent to the
pitch circle
base circle
addendum circle
dedendum circle
✅ The correct answer is option B.
2857. Modulus of resilience is the proof resilience per unit volume of a material.
Correct
Incorrect
✅ The correct answer is option A.
2859. The forced-fed lubrication system means that the oil is delivered to the engine by
gravity
the pressure created by the oil pump
splashing action of the crankshaft
none of these
✅ The correct answer is option B.
2860. In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
TRUE
FALSE
✅ The correct answer is option A.