High rate of oscillation of tools in ultrasonic machining is produced by
A) Pneumatic generator
B) Explosives
C) D.C. motor
D) Oscillator
E) A.C. motor
Correct Answer:
Verified
Q37: The property due to which sand grains
Q38: In case of very hard surfaces the
Q39: Shot blasting is
A)Process of cleaning moulding sand
B)Process
Q40: Which of the following source for laser
Q41: A flycutter is used on
A)Planer
B)Slotter
C)Shaper
D)Milling machine
E)Lathe
Q43: Slip gauges are made of
A)Aluminium
B)Copper
C)Alloy steel
D)Stainless steel
E)Cast
Q44: A third flask sometimes used between cope
Q45: Which of the following is a ferrous
Q46: Gear cutter No. 1 for cutting gears
Q47: DIN specifications have been developed in
A)Austria
B)Russia
C)America
D)Germany
E)England
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents