Question19:-Why the small steel wedge is tapped under the machine in lifting operation?
A:-To prevent vibration
B:-To reduce the weight
C:-To accept the crowbar
D:-To balance the machine
Correct Answer:- Option-C
Question20:-Which type of coupling can bring the shaft ends into perfect alignment?
A:-Plate coupling
B:-Clamp coupling
C:-Safety ஸபர்‌
D:-Universal coupling
Correct Answer:- Option-A
Question21:-Which among the following material can be cut with a RASP cut file?
A:-Copper and Tin
B:-Brass and Bronze
C:-Leather and Wood
D:-Steel
Correct Answer:- Option-C
Question22:-Which among the following types of chisel used to cutting curved grooves?
A:-Flat Chisel
B:-Diamond Chisel
C:-Cross cut Chisel
D:-Half round nose Chisel
Correct Answer:- Option-B
Question23:-An oily floor should be cleaned by .....7
A:-Cotton waste
B:-Putting water
C:-putting saw dust or sand
D:-Spraying carbon dioxide
Correct Answer:- Option-C
Question2, ich one of the thread forms has an included angle of 29 Deg. between the sides of the thread?
A:-Gritish association thread
B:-Knuckle thread
C:-Buttress thread
D:-ACME thread
Correct Answer:- Option-D
Question25:-As per Indian standard a special set of slip gauge is used consisting of .....7

C:-120 pieces
D:-130 pieces
Correct Answer:- Option-B
Question26:-A hole, which is not made through full depth of the component is known as .....7
A:-Core Hole
B:-Bore Hole
C:-Pin Hole
D:-Blind Hole
Correct Answer:- Option-D
Question27:-Which among the following is an artificial abrasive?
A:-Aluminium oxide
B:-Emery
C:-Diamond
D:-Corundum
Correct Answer:- Option-A
Question28:-A grinding wheel is marked: 51 A 46 L 5 V-23. Here what does 5 denote?
A:Kind of bond
B:-structure
C:-Kind of abrasive
D:-Grain size