2161. A receiver in compressor installations is used to damp pressure waves in compressor discharge.
Yes
No
✅ 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.
2162. Which of the following statement is correct for ammonia as a refrigerant?
It is toxic to mucous membranes.
it requires large displacement per TR compared to fluoro carbons.
It reacts with copper and its alloys.
all of these
✅ The correct answer is option D.
2163. A worm gear is used as the pinion for the rack and pinion type of steering gearbox, because it
improves steering comfort when steering wheel is turned to effect small changes in the direction of forward motion
allows the steering wheel to be turned by a greater amount when steering
makes the steering more responsive
reduces the amount of
✅ The correct answer is option A.
2164. If three coplaner forces acting on a point are in equilibrium, then each force is proportional to the sine, of the angle between the other two.
Correct
Incorrect
✅ The correct answer is option A.
2165. A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called
zero film bearing
boundary lubricated bearing
hydrodynamic lubricated bearing
hydrostatic lubricated
✅ The correct answer is option D.
2166. The mass of gas turbine per kW developed is about __________ as that of an I.C. engine.
same
one-half
one-fourth
one-sixth
✅ The correct answer is option D.
2167. In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure
lies in the centre of the beam
lies at the ends of the beam
depends upon the length of beam
does not exist
✅ The correct answer is option D.
2168. A key made from a cylindrical disc having segmental cross-section, is known as
feather key
gib-head key
wood ruff key
flat saddle key
✅ The correct answer is option C.
2169. Rankine Gordon formula for buckling is valid for
long column
short column
short and long column
very long column
✅ The correct answer is option C.
2170. Manganese bronze has
good wearing qualities and high elasticity
high yield point, high fatigue limit and excellent cold and hot corrosion resistance
high resistance to corrosion
valuable cold working
✅ The correct answer is option C.