1331. The largest diameter of an external or internal screw thread is known as
minor diameter
major diameter
pitch diameter
none of these
✅ 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.
1332. 18/8 steel contains
18% nickel and 8% chromium
18% chromium and 8% nickel
18% nickel and 8% vanadium
18% vanadium and 8% ni
✅ The correct answer is option B.
1333. An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the
tip of the gear tooth and flank of pinion
tip of the pinion and flank of gear
flanks of both gear and pinion
tip of both gear and p
✅ The correct answer is option A.
1334. The forces, which do not meet at one point, but their lines of action lie on the same plane, are known as coplaner non-concurrent forces.
Agree
Disagree
✅ The correct answer is option A.
1335. With the decrease in compression ratio, the volumetric efficiency
does not change
increases
decreases
✅ The correct answer is option B.
1336. Coal gas consists mainly of hydrogen, carbon monoxide and various hydrocarbons.
Agree
Disagree
✅ The correct answer is option A.
1337. The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.
one-half
one-third
two-third
✅ The correct answer is option B.
1338. A coarse grained grinding wheel is used to grind
hard and brittle materials
soft and ductile materials
hard and ductile materials
soft and brittle mater
✅ The correct answer is option B.
1339. The partial balancing means
balancing partially revolving masses
balancing partially reciprocating masses
best balancing of engines
all of these
✅ The correct answer is option B.
1340. In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called
face
fillet
land
lead
✅ The correct answer is option A.