1
GATE PI 2004
MCQ (Single Correct Answer)
+1
-0.3
The current in Amperes used in resistance spot welding of plain carbon steel sheets ($$1$$ to $$3$$ $$mm$$ thick) lies within the range:
A
$$10$$-$$50$$
B
$$50$$-$$500$$
C
$$500$$-$$5000$$
D
$$5000$$-$$50000$$
2
GATE PI 2004
MCQ (Single Correct Answer)
+1
-0.3
The metal powder used in Thermit welding of steel is:
A
$$Al$$
B
$$Cu$$
C
$$Pb$$
D
$$W$$
3
GATE PI 2004
MCQ (Single Correct Answer)
+2
-0.6
In which of the choices given below, the cutting tool materials are placed in the ascending order of permissible cutting speed for machining of steel?
A
$$K$$ Group Cemented Carbide-$$P$$ Group Cemented Carbide-Ceramic -Cubic Boron Nitride
B
Cubic Boron Nitride - $$K$$ Group Cemented Carbide - $$P$$ Group Cemented Carbide - Ceramic
C
$$P$$ Group Cemented Carbide - $$K$$ Group Cemented Carbide - Cubic Boron Nitride - Ceramic
D
Ceramic - Cubic Boron Nitride - $$K$$ Group Cemented Carbide - $$P$$ Group Cemented Carbide
4
GATE PI 2004
MCQ (Single Correct Answer)
+2
-0.6
Consider the following statements with respect to the relief angle of cutting tool:

$$1.$$ This affects the direction of chip flow.
$$2.$$ This reduces excessive friction between the tool and work piece
$$3.$$ This affects tool life
$$4.$$ This allows better access of coolant to the tool-work piece interface

Which of the statements given above are correct?

A
$$1$$ and $$2$$
B
$$2$$ and $$3$$
C
$$2$$ and $$4$$
D
$$3$$ and $$4$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12