Answer ANY THREE questions from this section Each question carries 20 marks 11. (a) With the aid of a diagram explain the power flow in a four-speed manu transmission gearbox. (10 marks) (b) Discuss five factors that affect the efficiency of a manual transmission s marks) 12. (a) Describe the major components of an automatic transmission system an functions. (10 marks) (b) Explain the role of hydraulic fluid in an automatic transmission system marks) 13. (a) With the help of a diagram, describe the working mechanism of a diffe system. (10 marks) (b) Explain the difference between limited-slip and open differentials. (10 14. (a) Discuss five causes of transmission system failure and their remedies. (b) Explain the step -by-step procedure for diagnosing a faulty transmissio (10 marks)

oth steam engines and Stirling engines are known as __ combustion engines. elect one: a. Mixed b. External c. Internal d. Partial

The BSAP method can be used on: Any truck or trailer Any-truck or trailer with welded or threaded clevises Trucks with standard stroke chambers Trucks with standard stroke chambers and trailers with long strokes

How to check condition of the vehicle suspension? Look for shiny or clean areas. Remove the gas cap and check inside the filler neck. Examine the area for fluid leaks and missing bolts. Bounce each corner of the vehicle.

What are the requirements for trunk size reduction to maintain duct pressures?

What mechanical condition exists when the line of gravity falls outside the base of support? a. Static stability b. Controlled mobility c. Joint distraction d. Maximum equilibrium

The point in an electrical circuit schematic where high voltage is stepped down to low voltage is at what component? Select one: A. Contactor B. Solenoid C. Relay D. Transformer

What information is needed to properly size a standard NEMA across the line motor starter? Select one: A. The motor horsepower and the voltage B. The motor amperage and locked rotor rating C. the performance rating and amperage rating D. The IEC rating and the application

Pilot-duty overloads operate like: Select one: A. Relays. B. Motor Starters. C. Contactors. D. All of the above.

Where can you find the ampacity of conductors for given conditions? NEC Chapter 9, Table 8 NEC Tables 310.15(B)(16) through 310.15(B) (21) NEC Article 340 NEC Table 400.4

Hot Questions

Select the choice that answers the question correctly. What should you do when inspecting battery-operated lifts? a) Contact the manufacturer before inspecting b) Open the battery compartment to see if the cells are properly sealed c) Make sure the lift is plugged in during inspection d) Operate the lift before inspecting

Technician A says that the most efficient method of EVAP system leak detection is introducing smoke under low pressure from a machine specifically designed for this purpose. Technician B says that nitrogen gas pressurization uses nitrogen gas under a very low pressure (lower than 1 psi) in the fuel system; you listen for escaping air with amplified headphones. Who is correct? A) Technician A B) Technician B C) Neither Technician A nor B D) Both Technicians A and B

For two single-phase transformers to operate satisfactorily in parallel, they must have the same voltage ratio and __ a. different percent impedances b. different turns ratios c. opposite polarities d. the same percent impedance

Isolated ground receptacle is an insulated grounding conductor that is run from neutral terminal at the main service entrance to the isolated ground terminal on the receptacle. True False

How do we calculate the "Wing Area" of an airfoil? Divide the maximum chord width by the span Multiply the mean camber by the span Divide the span by the average chord width Divide the minimum chord width by the span Multiply the span by the average chord width

A delta-connected three -phase alternator is driving a wye-connected resistive load. The alternator output voltage is 960 V.The load resistors are $12\Omega $ 12 Q each. What is the phase current in the alternator? 80 Amps 26.66 Amps 20 Amps 40 Amps

You should loose the lug nuts one by one in a clockwise position. True False

Question 17 of 32 A scientist is working to develop a new adhesive material. What is the best way for the scientist to accomplish this goal? A. To discuss ideas with scientists who have similar perspectives and training B. To work with a variety of scientists with different ideas and backgrounds C. To share ideas with other scientists but disregard opposing opinions D. To work alone until the material is developed

Cite three examples to describe how an engineer ensures that his or her designs are made to scale.

Which of the following is important for the maintenance of a single piston floating caliper? Front wheel bearing adjustment Positioning of caliper piston Slider to caliper body clearance Caliper to Piston bore clearance