part 1-mdsp

A simply supported beam, 15 m long carries a uniform distributed load of 5 kN/m. What is the maximum moment of the beam due to this load?

• 62.5 kN-m

• 65.2 kN m

• 140.625 kN-m*

• 104.526 kN-m

Determine the torque that can be applied to a 1-in diameter circular shaft if the shearing stress is not to exceed 9000 psi.

• 1570 in lb.

• 1750 in lb

• 1776 in lb

• 1767 in lb*

A Pajero jeep wagon's engine develops 40 kW at 1200 rpm, with a single plate clutch with two pairs of friction surfaces transmitting the power. Consider the coefficient of friction to be 0.30 and mean diameter of disc to be 200 mm, determine the axial force required to engage the clutch and transmit the power.

• 4.832 kN

• 3.693 kN

• 5.305 kN*

• 6.922 kN

An engine of a motor vehicle with a wheel diameter of 712 mm develops 50 kW at 2000 rpm. The combined efficiency of the differential and transmission is 75% with an overall speed reduction of 25 is to 1. Determine the axial force on the clutch in kN. Outside and inside diameters of the clutch are 300 mm and 240 mm respectively. There are two pairs of mating surface with a coefficient of friction of 0.3 (Use uniform wear method).

• 4.392 kN

• 2.951 kN*

• 5.367 kN

• 2.493 kN

A gripping device with two or more adjustable jaws set radially.

• Chuck*

• Carriage

• Tailstock

• Fan

Used in as cast condition steel casting with carbon content less than %℃.

• 0.26

• 0.2*

• 0.15 to 0.18

• 0.25

The yield strength of a regular yellow brass (65 to 70% Cu, 30 to 35% Zn) can be increased/improved by.

• Cold working*

• Tempering

• Chill Casting

• Heat Treatment

A disk clutch having an outside diameter of 32 cm and an inside diameter of 12.7 cm is connected to an engine that turns at 750 rpm. The coefficient of friction is 0.6 while the pressure between the friction surfaces is 2 kg/cm², Compute the power transmitted by the engine.

• 70.49 kW

• 69.30 kW

• 58.38 kW

• 74.35 kW*

A local utility vehicle production company has considered using one of its designs: a multi-disc clutch consisting of 9 steel discs and 8 bronze discs, with effective outside and inside diameter of 220 mm and 160 mm, respectively. If the shaft turns at 1500 rpm and an axial force of 600 Newtons is applied, find the horsepower capacity, considering a coefficient of friction of 0.25.

• 48.41 hp*

• 52.48 hp

• 47.59 hp

• 50.40 hp

The process of checking or producing checkers on the surface of a piece by rolling checkered depressions into the surface.

• Knurling*

• Hemming

• Breading

• Embossing