MCQ - Mechanical TNPSC JTO
JTO - 538 - Industrial Robotics and Digital Manufacturing - 538 - Unit III Knowledge of Industrial Engineering Drawing
A shaft of size 50 ± 0.05 mm and hole size 50 + 0.10/0.00 mm. What is the type of fit?
Which symbol is used for least material condition (LMC)?
If a shaft is given as Ø20 g6, what does “g6” indicate?
A 40 mm nominal shaft with limits +0.00/–0.02 mm is made. What is the tolerance?
Which fit ensures “no clearance” and always tight assembly?
Which GD&T control ensures that two features are equidistant about a datum plane?
If a shaft is 30 mm –0.05/–0.10, then maximum shaft size is:
A hole is specified as 50.00 +0.12 / +0.00 mm and a shaft as 50.00 –0.03 / –0.10 mm. What is the maximum clearance?
Hole 30.00 H7 (H7 = +0.025 / 0.000 mm). Shaft 30.00 h6 (h6 = 0.000 / −0.013 mm). What is minimum clearance?
A shaft is 25.00 +0.00 / −0.06 mm. What is the tolerance?
Hole = 40.00 +0.10 / +0.00 mm. Shaft = 39.95 +0.00 / −0.05 mm. What is maximum interference?
Nominal 100 mm with tolerance ±0.02 mm. What are upper and lower limits?
A hole 20.00 H8 (H8 = +0.033 / 0.000). Shaft 20.00 f7 (f7 = −0.025 / −0.043). Determine maximum interference (positive means interference).
Shaft 15.00 mm with limits +0.010 / −0.005. What is the tolerance and mean size?
A shaft is specified 12.00 ±0.02 and mating hole is 12.05 ±0.03. Minimum clearance = ?
Determine total tolerance if upper deviation = +0.040 and lower deviation = −0.010.
Hole 75.00 +0.15/0.00 mm, shaft 75.00 −0.05/−0.20 mm. What is maximum clearance?
A nominal dimension 60 mm with unilateral tolerance of +0.06/0.00. What is percentage tolerance relative to nominal?
A dimension chain: A = 20.00 ±0.02, B = 30.00 ±0.03. Worst-case sum tolerance for A+B = ?