55.

56.

57.

58.

59.

60.

61.

62.

63.

64.

65.

Fluxes are used while welding
(^) To increase the rate of welding (B) To clean joint

(0)

Prevent oxidation (D) All of the above

In reaming process

(A)
(0)

Metal

removal rate is high (B) High surface finish

Form accuracy is obtained (D) High dimensional accuracy obtained

With reference to NC machine which of the following statement is wrong ?

(A)
(B)
(C)
(D)

Closes
Open.

loop control system using.
loop control system using.

Post processor is an item of hardware.
Paper tape is a part of machine

1൨൭ single point turning operation of steel, with a cementide carbide tool, Taylor tool life
exponent is 0.25.

f the cutting speed is halved, the 1001 life will increase by

(A) 2 times (B) 4 times

(C) 8 times (D) 16 times
Liner and slip bushes are a part of

(^) Milling fixture (B) Drill Jigs

(C) Turning fixture (D) Welding fixture
T-T-T diagram indicates time, temperature, transformation of

(A) Cenentite (8) 708/1110

(C) Ferrite (60) Austenite
Machine tool guide ways are usually hardened by

(^) Flame hardening (B) Induction hardening

(೮) Cyaniding ന) Nitriding
Plug gauges are used to check

(^) Threads (B) Holes

(C) Outer diameter (D) Angles
Micrometers are calibrated with

(^) Vernier caliper (B) Snap gauges

(೮) Feeler gauges (D) Slip gauges
Sine bar is used to measure

(^) Angles (B) Length

(C) Thread pitch (D) Hole depth
Talisurf is to measure

(A) Magnetism (B) Surface finish

(C) Accuracy of hole (D) Strength of steel

EEE 005/2021

2.70.)