76.

77.

78.

79.

80.

81.

82.

83.

84.

85.

050/23

Given that T,; and T, are the tensions on the tight and slack slide of the belt
respectively, the initial tension of the belt taking the account of centrifugal tension
T, is equal to

A) (1, +12 +T,)/2 ಇಟಿ ಟಿ ಡಿ

C) (T,+T2 +T,)/3 ഉ) (T, +T2 + 2T,)/3

In sand casting process, when the mold consists of more than two pieces, the
additional parts are called

A) Foundations B) Cheeks C) Necks D) Copes
Cores are employed in castings to

A) Make desired recess in castings B) Save moulding sand

C) Strengthen the casting D) None of the above

Which one of the following is the strongest among the following brazing joints ?
A) Inclined B) Lap C) Butt D) V-butt
Seam welding is a

A) Single spot welding process B) Arc welding process

C) A type of stud welding D) Continuous spot welding process

Hot forging is used for producing
A) Piston B) Crankshaft C) Carburettor D) All the above

In ultrasonic machining process, the metal removal rate will be higher for materials
with

A) Higher toughness B) Higher ductility
C) Lower toughness D) Higher fracture strain

Among the conventional machining processes, maximum specific energy is consumed in
A) Turning B) Drilling C) Planing D) Grinding

Plain milling of mild steel plates produces
A) Irregular shaped discontinuous chips
B) Regular shaped discontinuous chips
C) Continuous chips without built up edge
D) Jointed chips

The NC system which is applicable to a milling machine is called the
A) Point to point system B) Continuous path system
C) Zig-zag machining system D) Contour system