941. For material transportation, conveyors are used when the prevailing conditions include
loads are uniform
routes do not vary
materials move relatively continuously
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.
942. The part of the tool on which cutting edge is formed is called nose.
Correct
Incorrect
✅ The correct answer is option B.
943. The height of each tooth of a broach is
same throughout
in progressively decreasing order
in progressively increasing order
none of these
✅ The correct answer is option C.
944. The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.
inner edge
outer edge
✅ The correct answer is option A.
945. By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is
39.20%
48, 8%
84.80%
88.40%
✅ The correct answer is option C.
946. According to Rankine’s theory, the failure occurs at a point in a member
when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in a simple tension test
when the maximum principal stress in a bi-axial stress system reaches the elastic limit of the material in a simple tension test
when the strain energy per unit volume in a bi-axial stress system reaches the strain energy at the elastic limit per unit volume as determined from a simple tension test
when the maximum princ
✅ The correct answer is option B.
947. Liquid fuels have higher calorific value than solid fuels.
Yes
No
✅ The correct answer is option A.
948. The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called
specific heat at constant volume
specific heat at constant pressure
kilo-Joule
none of these
✅ The correct answer is option C.
949. The indicated thermal efficiency is defined as the
ratio of thermal efficiency to the Rankine efficiency
ratio of brake power to the indicated power
ratio of heat equivalent to indicated power to the energy supplied in steam
product of thermal eff
✅ The correct answer is option C.
950. An open coiled helical compression spring ‘A’ of mean diameter 50 mm is subjected to an axial load W. Another spring ‘B’ of mean diameter 25 mm is similar to spring ‘A’ in all respects. The deflection of spring ‘B’ will be __________ as compared to spring ‘A’.
one-eighth
one-fourth
one-half
double
✅ The correct answer is option A.