B:-MIG welding
CeResistance spat welding
D-All the above
Correct Answer:- Option-D
Question24::Which among the following is not used as bond strength enhancer in moulding sands ?
AcBentonite
B:-Zircone
പിനെ
പിട
Correct Answer:- Option ®
‘Question25:-The side rake angle ofa lathe cutting tool for cutting steels in the range of
കട
8-10-12
20327
D:34-42"
Correct Answer:- Option ®
Question26::Which of the following statements is correct about up milling ?
‘Act does not require a backlash eliminator
B:-Load on teeth acts tangentially
C:Built up edge fragments are absent from machined surfaces
D-All the above
Correct Answer:- Option-D
Question27:-In which of the following application the lathe tool face is ground plane with negative rake angle ?
‘AcHigh speed steel tools for turning steel at feed rate less than 0.2 mmirev.
B:-High speed steel tools for tuming stee! at feed rate greater than 0.2 mmirev.
C-Complex shape forming tools
D-All the above
Correct Answer:- Option-C
Question28::Which of the following is the unit of dynamic viscosity ?
കിട
പ്‌
ടി ടോള്‍
D-All the above

Correct Answer: Option-D

668) shows a difference in mercury level of 30 cm. What is the difference in pressure head in

Question29:-A differential manometer consisting of mercury and an oil (specific gravity
terms of meters of oil?

378ھ
ہ جیھ
موقت
‎D388 m‏
‎Correct Answer:- Option ®‏
‎Question30::Which of the following notches gives accurate measurement of discharge ?‏
‎‘AcTiangular notch‏
‎B:-Rectangular natch‏
1
‎०-५। ५१८२००५८‏

Correct Answer: Option:

xy" ye" « sy What is the derivative of the third

Question31:-The velocity components for an incompressible fluid flow satisfying continuity equation are കി
component of velocity ?

ಹಿಂ 222 22
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