Which control will prevent the "dry firing " of the boiler?
A. aquastat
B. reset control
C. low-water cutoff
D. water regulating valve
Answer: C
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If the main governor spring in a mechanical governor was worn out, what would be the likely performance symptom?
A. engine runaway B. low power C. erratic idle D. excessive top end rpm
A certain circuit is properly fused for a 5-horsepower motor. If the motor is to be replaced by several 
horsepower motors, how many motors will the fuses be able to carry?
Fill in the blank(s) with the appropriate word(s).
What is the modulus of a counter which counts from 3 to 9 and back to 3 again?
A) MOD-9 B) MOD-8 C) MOD-7 D) MOD-6
Individual parts or components of a product must be designed so that it meets design requirements and specifications and can be efficiently and _____________ manufactured
Fill in the blank(s) with correct word