Stationary Engineer Local 99 Exam Questions with 100% Correct Answers

In a reciprocating feedwater pump, the _______________ A. water piston is larger than the steam piston B. water and steam piston are the same size C. steam piston is larger than the water piston D. steam valve has to be as large as the water valve Correct Answer C. steam piston is larger than the water piston An ignition arch is used with a(n) ________________ stoker A. sidefeed B. spreader C. underfeed D. chain grate Correct Answer D. Chain grate The try cocks on a water column are used ___________________ A. as a secondary means of determining the water level B. to blow down the water column C. as sampling cocks for water testing D. to remove impurities from the surface of the water Correct Answer A. as a secondary means of determining the water level The throttling calorimeter determines ____________________ A. heat in the condensate B. saturated steam temperature C. superheated steam temperature D. the amount of moisture in the steam Correct Answer D. the amount of moisture in the steam In a plant that used forced draft, the pressure at the base of the chimney is ________________ pressure. A. at atmospheric B. above atmospheric C. below atmospheric D. none of the above Correct Answer C. below atmospheric A stop-and-check valve is installed in the ____________________ A. main steam header B. outlet superheater C. blowdown line D. feedwater line Correct Answer D. feedwater line