B:-MIG welding
C-Resistance spat welding
०-५। the above
Correct Answer:- Option-D
Question24::Which among the following is not used as bond strength enhancer in moulding sands ?
AcBentonite
B:-Zircone
C=Kaolinite
Delite
Correct Answer: Option ®
Question25:-The side rake angle ofa lathe cutting tool for cutting 5126115 inthe range of
കട
‏٭عد-مدھ‎
‎20327
‎०-34-42"
‎படட பப
‘Question26::Which of the following statements is correct about up milling ?
‘Act does not require 8 backlash eliminator
B:-Load on teeth acts tangentially
C-Built up edge fragments are absent from machined surfaces
०-५। the above
Correct Answer:- Option-D
Question27:-In which of the following application the lathe tool face is ground plane with negative rake angle 7
‘AcHigh speed steel tools for turning steel at feed rate less than 0.2 ന്യ
B:-High speed steel tools for tuming steel at feed rate greater than 0.2 mmirev.
C-Complex shape forming tools
०-५। the above
Correct Answer: Option-C
Question28::Which of the following is the unit of dynamic viscosity ?
AcPoise
പിസ്‌
ടി Second
०-५। क्र above

Correct Answer: Option-D

68) 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 7

‎m‏ 378ھ
.8:57
‎ന‏
‎ന‏
‎Correct Answer: Option ®‏
‎Question30::Which of the following notches gives accurate measurement of discharge 7‏
‎‘AcTiangular notch‏
‎B:-Rectangular natch‏
‎C-Trapezoidal notch‏
‎०-५। the above‏

‎Correct Answer: Option:

‎xy" ‏كعبر‎ + xy What is the derivative of the third

‎Question31:-The velocity components for an incompressible fluid flow satisfying continuity equation are ७ = കി
component of velocity 7

‎५-१५-२८ २
a