1391. When there is no increase or decrease in shear force between two points, it indicates that there is no change in the bending moment between these points.
TRUE
FALSE
✅ 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.
1392. The vector sum of cutting velocity and chip velocity is __________ shear velocity.
equal to
less than
more than
✅ The correct answer is option A.
1394. The arrangement is called bevel gearing, when two __________ are connected by gears.
intersecting and coplaner shafts
non-intersecting and non-coplaner shafts
parallel and coplaner shafts
parallel and non-copla
✅ The correct answer is option A.
1395. Scab is a casting defect which occurs as sand patches on the upper surface of a casting.
TRUE
FALSE
✅ The correct answer is option A.
1396. Degree of reaction is defined as the ratio of
heat drop in fixed blades to the heat drop in moving blades
heat drop in moving blades to the heat drop in fixed blades
heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades
heat drop in fixed bla
✅ The correct answer is option C.
1397. In a stress-strain diagram as shown in the below figure, the curve A represents
mild steel
soft brass
low carbon steel
cold rolled steel
✅ The correct answer is option B.
1398. In a closed cycle gas turbine, the air is compressed
isothermally
polytropically
isentropically
none of these
✅ The correct answer is option C.
1399. The pressure measured with the help of a pressure gauge is called
atmospheric pressure
gauge pressure
absolute pressure
mean pressure
✅ The correct answer is option B.
1400. The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
Agree
Disagree
✅ The correct answer is option A.