1191. The force exerted (in newton) by a jetof water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m2, and V = Velocity of jet in m/s)
✅ 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.
1192. The principle of transmissibility of forces states that, when a force acts upon a body, its effect is
same at every point on its line of action
different at different points on its line of action
minimum, if it acts at the centre of gravity of the body
maximum, if it acts at
✅ The correct answer is option C.
1193. In a four wheel drive (4WD), the number of gear boxes are
1
2
3
4
✅ The correct answer is option B.
1194. The malleability is the property of a material by virtue of which a material
regains its shape and size after the removal of external forces
retains the deformation produced under load permanently
can be drawn into wires with the application of a tensile force
can be rolled or hamme
✅ The correct answer is option D.
1195. Thermal conductivity of air increases with rise in temperature.
Correct
Incorrect
✅ The correct answer is option A.
1196. The calorific value of Diesel is about
36.5 MJ/kg
38.5 MJ/kg
42.5 MJ/kg
45.5 MJ/kg
✅ The correct answer is option C.
1197. The power from the engine to the rear axle of an automobile is transmitted by means of
worm and worm wheel
spur gears
bevel gears
Hooke’s joint
✅ The correct answer is option D.
1198. The resultant of two equal forces P making an angle θ, is given by
2 P sin θ /2
2 P cos θ /2
2 P tan θ /2
2 P cot θ /2
✅ The correct answer is option B.
1199. An open structure of a grinding wheel is denoted by the number 1 to 8.
Correct
Incorrect
✅ The correct answer is option B.
1200. An alloy of copper, tin and zinc is known as
brass
bronze
gun metal
muntz metal
✅ The correct answer is option C.