Limits and Fits ITI Machinist MCQ Test - Set 01 - ObjectiveBooks

# Practice Test: Question Set - 01

1. A dimension is stated as 25 +/-0.02 mm in a drawing. What is the tolerance?
(A) 25.00 mm
(B) +0.02 mm
(C) -0.02 mm
(D) 0.04 mm

2. Bilateral tolerance is fixed
(A) On upper side of the basic size
(B) On lower side of the basic size
(C) On any one side of the basic size
(D) On both sides (upper and lower) of the basic size

3. The size of a component is given as 24 -0.1. What does -0.1 indicate?
(A) Upper deviation is +0.1 mm
(B) Lower deviation is 0.0 mm
(C) Fundamental deviation is 0.0 mm
(D) Lower deviation is -0.1 mm

4. The tolerance of a hole is the difference between the
(A) Maximum hole size and maximum shaft size
(B) Maximum hole size and minimum hole size
(C) Maximum hole size and maximum shaft size
(D) Maximum hole size and minimum shaft size

5. The first step of quality control is the product specification. On whose opinion is the product specification based?
(A) Marketing department
(B) Consumer / user
(C) Sales department
(D) Servicing department

6. In the BIS system of limits and fits, the grades of tolerance are represented by numbers, and they are

7. If the dimension of a component is finished within the limits of size, then it will be-
(A) Minimum size
(B) Basic size
(C) Acceptable size
(D) Rejected size

8. When tolerance is given on one side of the basic dimension, it is called
(A) Tolerance system
(B) Allowance system
(C) Unilateral tolerance
(D) Bilateral tolerance

9. A dimension is stated as Dia 25 H7 in a drawing. The lower limit is?
(A) 24.75 mm
(B) 24.85 mm
(C) 25.00 mm
(D) 25.021 mm

10. In hole basic system
(A) The size of the shaft is made constant
(B) The size of the hole is made constant
(C) The permissible tolerances are given on the hole and the shaft
(D) Allowance is given only on the hole

11. In the assemblies obtained by using the system of Limits and fits, the damaged parts
(A) Cannot be replaced
(B) Are required to be scrapped
(C) May be easily replaced without rejection the assembly
(D) Have to be made with new tolerance

12. Which one of the following statements is correct?
(A) Interchangeability of parts may be obtained by adopting the system of Limits and fits
(B) The BIS system of limits and fits does not give the desired fit
(C) Interference fit is always designed with a positive clearance
(D) Transition fit is always specified with a negative clearance

13. Which one among the following is the correct statement?
(A) A clearance fit always provides interference
(B) An interference fit always provides clearance
(C) An interference fit may sometime provide clearance and sometime interference
(D) A transition fit may sometime provide clearance and sometime interference

14. Limits of 50 mm hole is ES = +0.025 and EI = +0.002 mm. The maximum and minimum hole sizes will be:
(A) Max. 50.02 mm; Min. 49.998 mm
(B) Max. 50.025 mm; Min. 50.002 mm
(C) Max. 49.998 mm; Min. 50.002 mm
(D) Max. 49.990 mm; Min. 49.975 mm

15. A pin is fitted in a hole. The tolerance zone of the pin is entirely above of that hole. The fit obtained will be
(A) Clearance fit
(B) Transition fit
(C) Interference fit
(D) None of the above

Show and hide multiple DIV using JavaScript View All Answers

Next Tests:
Blogger Comment