Who is responsible for conducting a hazard assessment?

Select the best option.

Employee

Employer

Why is it usually better to make a weld in the flat position

Cylinder cushions at the ends of the cylinder speeds the piston up at the end of the stroke. a) - True b) False

How much time does it take a freezer to make a tray of ice cubes out of a tray of 0.25kg liquid water at 10 Celsius). Assume the freezer is a constant cycle operating between-8 (Celsius) and 35 (Celsius) with a power requirement of 750 N.

Which one of the following faults cause the coffee in a brewer to keep boiling after the brewing cycle is finished? A. An open circuit in the heating element B. A short circuit at the terminals C. Welded contacts on the thermostat D.

How do I calculate the gear ratio

The value of the critical Reynolds number for the flow over a flat plate is 5 x10^5. The significance of the value is: (a) The boundary layer will be turbulent where the Reynolds number is less than this value.

The specifications of an electronic device are 24 / - 0.4 Amps. When the device exceeds specifications the average quality cost is $32.00. A sample of the devices had an average value of 23.9 Amps and a standard deviation of 0.211 Amps.

A vacuum gauge indicates that the pressure of air in a closed chamber is 02 bar (vacuum) The pressure of the surrounding atmosphere is equivalent to 750 in of mercury The density of mercury is 13.95 g / cn and the acceleration of gravity is 9.8.

The Reynolds number for flow over a fixed horizontal flat plate is constant throughout its length. a) True b) False

Briefly describe the function of the thermostatic expansion valve in a vapour compression refrigeration system