Time Left - 30:00 mins
GATE 2020 Manufacturing Rapid Mini Mock (App update required to attempt this test)
Attempt now to get your rank among 834 students!
Question 1
List 1 shows the accessories employed in Lathe machine and List 2 shows their use. Match List 1 with List 2
List 1:
1) Collets
2) Face plate
3) Dog clutch
4) Mandrel
List 2:
P) holding thin and hollow workpiece
Q) drive workpiece when it is held between two centres
R) holding irregular shapes
S) holding semi finished and finished parts
Question 2
Choose the correct order of tool materials arranged, according to the decreasing order of their hot hardness.
Question 3
The fit on a hole shaft basic system is specified as H7-q5 then this fit belongs to
Question 4
Match the following group A with group B
Group A
A. Program end
B. Tool change
C. Coolant on
D. Linear feed move
E. Dwell
GROUP B
1. M08
2. M02
3. G04
4. G01
5. M06
Question 5
A Robot arm PQ with end coordinates P (0,0) and Q (2,5) rotates counter-clockwise about P in the XY plane by 90 °. The new coordinate pair of the end point Q is
Question 6
A round billet is extruded at a temperature of 675 °C. The billet diameter is 125 mm and diameter after extrusion is 50 mm. The extrusion force required if the extrusion constant is 56 N/mm2, is _______ MN.
Question 7
A rectangular plate of dimensions 500×250×45 mm is being produced using casting. The solidification time of the rectangular plate casting is 8 minutes. Calculate the diameter of a cylindrical riser (in mm) having d/l ratio as 1 that will take 25% longer to solidify.
Question 8
In a metal cutting operation carried out with zero rake angle, the shear angle was calculated to be . The shear strain measured during the cutting process is __________
Question 9
The maximum interference in mm after assembly between a bush of size and a shaft of size is
Question 10
In rolling operation, diameter of roll is 200 mm, thickness of strip is 12 mm. Considering 20 % reduction in the thickness, the roll strip contact length?
Question 11
The volume of a weld nugget produced by spot welding process is 80 , welding is performed using 10000 A current. Energy required for melting of unit volume of metal is 10 J/mm3. Assume that heat lost to the surrounding base metal is 500 J and contact resistance is 0.0002 ohms. If all other losses are negligible. The thermal efficiency of the spot welding is
Question 12
ECM is performed on a material having following alloyingcombination
Take I = 500 amp and density of alloy = 8.28 g/cm3
The material removal rate(upto two places of decimal) in cm3/hour of the alloy will be
- 834 attempts
- 4 upvotes
- 9 comments
Mar 8ESE & GATE ME