1. Following is a permanent fastener.
(A) Stud
(B) Circlip
(C) Rivet
(D) Spline
2. This fastener is screwed into a tapped hole.
(A) Bolt
(B) Stud
(C) Woodruff key
(D) Screw
3. A bolt is designated as M.12–1.75 × 25. It means:
(A) 1.75 is thread pitch
(B) M-12 is length of bolt
(C) 12 mm is head size
(D) None of these
4. Which type of nut is fitted with cotter pin:
(A) Castle nut
(B) Self-locking nut
(C) Wing nut
(D) Decorative nut
5. This washer prevents a bolt from becoming loose:
(A) Spring washer
(B) External teeth washer
(C) Flat washer
(D) None of these
6. Following is true about torque to yield bolt:
(A) All of these
(B) These have nylon coating on thread
(C) From top thread is slightly distorted
(D) Cannot be re-used
7. This type of screw cuts thread for its own:
(A) Set screw
(B) Self tapping screw
(C) Headless screw
(D) Socket type screw
8. Following is true about snap ring:
(A) Transmit force from one shaft to other
(B) Keeps threads in original shape
(C) Prevents gear from coming out of shaft
(D) None of these
9. Where you can work from one side, you will use:
(A) Oval rivet
(B) Blind rivet
(C) Countersink rivet
(D) Flat rivet
10. When using fasteners, following is true:
(A) Wash them with diesel and lubricate
(B) All are true
(C) Hand tight few first turns
(D) Check for distorted, slip thread