59.

81.

52.

83.

54.

55.

56.

87.

The type of chisel used for cutting grooves and key ways :
(ക flat chisel (ए) cross cut chisel
(C) round nose chisel (D) diamond point chisel

The term zero error in the micrometer means :
(ക itisa true micrometer
(3) ‏صو عط‎ mark is not visible
(C) the zero do not exactly coincide
(@) there is a negligible gap between the micrometer spindle and the anvil

To relieve the internal stresses, hardened tools are generally : :
(வ cooled suddenly (0) tempered
(0) annealed (D) normalized

The lead of a screw thread can be calculated by the formula: - I
(வி 2xpitch (B) Depth « no. of starts
(C) Pitch = no. of starts (2) Pitch x depth of thread

A fast pulley is that which :
(ക) runs rapidly (8) runs independently
(C) has 'V' shaped grooves (12) is fastened to the shaft

An oxy-acetylene flame where oxygen has higher volume than acetylene is known as :
(ക) Carburizing flame - (B)Nuur,ra]flame
(C) Oxidizing flame (10) Gas cutting flame

Soft metal particles that clogged in the pores of grinding wheel is called :
(ಯ) glazing _ (ए) loading
(C) dressing (D) truing

One micron is equal to :
A) 0.1 mm (B) 0.01 mm
(©) 0.001 mm (D) 0.0001 mm

Fullers are used for :
(A) necking and grooving (B} forming the heads of rivet, balts cte
(C) making shoulders with right angles (D) drawing down

9 164/2014
1.7.0)