36/2014

Maximum : 100 marks

Time : 1 hour and 15 minutes

1. Tor cutting a solid brass rod the most suitable pitch of the hacksaw 5180 :
(ಯ) 1.430 (2) 1mm
(0 1.8 ‏سد‎ (D) 0.8 ‏سد‎
‎2. The correct proportion for servo cut 'S in water for preparing soluble oil is with a
concentration of :
(2) 20% (1) 80%
(~) 05% (0) 5%

8. The helical angle of twist drill determines the :
(A) 1/0 angle (B) Rake angle
(0 Chew angle (D) Cutling angle

4. The term surface finish refers to the :
(५) Heat treatment given on the surface (B) Shining of a machined surface

(C) Type of coating given on a surface (D) Roughness or smoothness of a surface

5. In the letter drill series, the 5120 08 the drill ‘A’ is equal to :
(5) 5mm (೫) 13mm
(C) 5.944 mm (D) 6.08 mm

6. A chemical compound of carbon with iron is called :
(ಯ) Pearlite (B) Cementite
(0) Austenite (D) Ferrite

7. If the main electric supply is not available, we can do arc welding with :
(ക) Transformer set (B) Rectifier set
(0) Engine generator set (D) Motor generator set

8. The tail stock is offset by :
(A) Body of the tailstock 18) Spindle of the tailstock
(C) Base of the tailstock (D) Whole tailstock as a unit

[P.T.O]