69.

70.

7].

7೩

73,

74.

75.

76.

Oxidising flame is ೩ flame which is obtained by supplying :
(ക) Less volume of acetylene and more volume of oxygen
(B) More volume of acetylene and less volume of oxygen
‏مھ‎ Equal volume of acetylene and oxygen
(D) None of the above

The drill spindles are provided with standard taper known as :

(ಸಿ) Seller’s taper (B) Sharp taper
(C) Morse taper (D) Acme taper
The cutting tool in a milling machine is having :
(ಗ) Longitudinal motion (B) Rotational motion
(ര സല ജവ (D) Inclined motion

than that used in open belt

The length of belt used in a cross belt drive is

drive.

(ಯ). Double (B) ஸி

(C) Less (D) Greater
[410 gear wheels are used in compound gear train ‏نعط‎

(A) To change the direction (B) To increase the velocity

(¢) To doubling the velocity (D) To reduce the velocity
A machine is said to be self locking if efficiency of machine is :

(A) Equal to 100% (B) Equal to 50%

(©) More than 50% (D) Less than 50%
Maximum efficiency of a screw jack is a function ല്‌?

(A) Effort (B) Angle of friction

(C) Load lifted (D) Helix angle

Diametral pitch of a gear wheel is defined as the ratio of :
(வ) Number of teeth to pitch circle diameter
(B) Pitch circle diameter to number of teeth
(C) Circumference of pitch circle to number of teeth
(2) Number of teeth to circumference of pitch circle diameter

The smallest circle drawn to the cam profile from the cam centre is known 88 :
(A) Prime circle (B) Pitch circle
(0) Base circle ۸ Pitch curve

11 077/2016
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