CWEA Mechanical Technologist Questions With 100% Solved Solutions!!

What is the proper definition of an engine? - Answer-it is a machine designed to convert energy into useful mechanical motion What is required for a sealed ball bearing? - Answer-It does not need to be lubricated under normal use What is the purpose of a breakaway switch? - Answer-To apply the brakes on a trailer in the event of a trailer release from a vehicle Which type of saw is used to cut metallic materials? - Answer-Hacksaw A scale on a blueprint indicates 1"=2". What does this scale mean? - Answer-Each line on the print is shown as half of its actual size A computerized maintenance management system (CMMS) is a/an: - Answer-Tool Which problem will not occur when a person works in a very hot area for a prolonged period? Heat stroke, cramps, exhaustion, or hypothermia? - Answer-Hypothermia What is the purpose of a confined space safety permit? - Answer-It ensures the use of safety precautions and safe procedures You and a coworker are doing a preventative maintenance task and you realize that they are not taking notes for record keeping. Why should they be keeping notes? - Answer-Records are needed to show the type and frequency of maintenance of operating units and to evaluate the effectiveness of the maintenance programs Which is the least acceptable when accepting a work order? - Answer-The need for a speedy completion There is an 18" wide, red stripe around a tank at a height of 18 feet. The tank is 25 feet high and 150 feet in diameter. How long is the outer edge of the red stripe? - Answer-p[feet]= pi*D= 3.14(150ft+2*18in*(1ft/12in))=3.14*155=486.9A 12" diameter pipe, 48' long, weighs 35 lbs per lineal foot. What is the weight of the total load? - A