Ashworth Lesson 2: Careers for mechanics and technicians exam

6. What types of injuries can occur in an electronics lab and how can they be prevented?

A 350 m^3 retention pond that holds rainwater from a shopping mall is empty at the beginning of a rainstorm. The flow rate out of the retention pond must be restricted to 320 L/min to prevent downstream flooding from a 6-hour storm.

9.4 Lead sheet is pop-riveted with special bronze fasteners. The total exposed area of the sheet is 100 times that of the fasteners. The environment for the assembly is seawater.

Estimate the power required for this operation at the spindle, needed at the motor, of the motor if there is a 15% loss in the transfer of energy.

Cavitation in pump assemblies can be avoided by decreasing tank pressure. a) - True b) - False

List and briefly describe two modern's materials needs

Write the definition of a method named add that receives a reference to a Scanner object associated with a stream of input consisting of integers only. The method reads all the integers remaining to be read from the stream and returns their sum.

How are fluids distributed and transported in a fluid power system?

The sliders A and B are connected by a light rigid bar of length l = 20 in. and move with negligible friction in the slots, both of which lie in a horizontal plane. For the position where xA = 16 in., the velocity of A is vA = 3 ft/sec to the right.

Two parallel Rivers (A and B) are separated by confined and unconfined aquifer estimate the RATE of seepage of river A to River B per unit length of the rivers