Q.1
Multi plate clutch, when coolant is required, is also known as ______
  • a) Dry Clutch
  • b) Wet Clutch
  • c) Field Clutch
  • d) Dog Clutch
Q.2
A multi disc clutch has 4 steel discs and 3 bronze disc. The outside and inside diameter of contact surfaces aremm andmm respectively. The coefficient of friction is 0.3 and axial force isN assuming uniform wear. The power in kw that clutch can transmit atrpm is ______
  • a) 4.05 KW
  • b) 16.20 KW
  • c) 8.10 KW
  • d) 32.40 KW
Q.3
Determine the maximum pressure in a plate when axial force is 4 KN. The radius of contact surface ismm outside radius ismm.
  • a) 0.255 N/mm
  • b) 0.319 N/mm
  • c) 0.248 N/mm
  • d) 0.303 N/mm
Q.4
A multiple disc clutch, steel on bronze is to transmit 6 HP atrpm. The inner radius of contact is 4cm and outer radius of contact is 7 cm. Coefficient of friction is 0.1 and the average allowable pressure is 3.5 kgf/cmFind the actual axial force required.
  • a) 2335.09 N
  • b) 2590.90 N
  • c) 1999.76 N
  • d) 2143.65 N
Q.5
Which displacement can be achieved by toothed type clutch?
  • a) Positive displacement
  • b) Negative displacement
  • c) Neutral displacement
  • d) Divisional displacement
Q.6
What is the uniform pressure theory for new clutch plated?
  • a) T = η+μ+ W+Reff
  • b) T = η – μ – W – Reff
  • c) T = ημWReff
  • d) T = 1 – (ημWReff)
Q.7
In single plate clutch there is no need of coolant, hence it is also known as ______
  • a) Wet clutch
  • b) Damp clutch
  • c) Dog clutch
  • d) Dry clutch
Q.8
Determine the minimum and average pressure in a plate when axial force is 4 KN. The radius of contact surface ismm outside radius ismm.
  • a) 0.127 N/mm; 0.17 N/mm
  • b) 0.186 N/mm; 0.10 N/mm
  • c) 0.183 N/mm; 0.18 N/mm
  • d) 0.120 N/mm; 0.72 N/mm
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