MST THEORY AND GENERAL KNOWLEDGE EXAM |
QUESTIONS AND ANSWERS | 2026 UPDATE | 100% CORRECT
Briggs & Stratton engines feature both a pressure lubrication and a pressure
filtration system. Which statement is true? Answer - Technician B says that
pressure filtration system pumps oil to a limited number of bearing surfaces
and typically has an oil filter
Engine oil leaking from a governor shaft bushing is more likely to be caused by
a loss in crankcase vacuum than a worn bushing. Answer - True
Vertical crankshaft engines are equipped with a oil slinger/governor gear.
Answer - True
Friction Horsepower (FHP) is the amount of power required to overcome the
internal friction of engine moving parts. Answer - True
The maximum torque of a Briggs & Stratton engine can only be measured when
the engine is under full load, with the throttle plate in the wide open position.
Answer - True
Engine horsepower decreases ________% for every___________feet above
sea level. Answer - 3.5, 1000
, Outdoor grilling releases more hydrocarbon emissions into the atmosphere
each year than lawn and garden equipment. Answer - True ?
When there is excessive valve clearance on a four-cycle engine, the valves stay
open too long. Answer - False
Which of the following has the greatest effect on the operating temperature of
an air-cooled engine? Answer - Engine oil quality and quantity
Adjusting the maximum RPM higher than the specified setting allows for more
power. Answer - False
For each revolution of the crankshaft the camshaft revolves: Answer - One-half
revolution.
To check the specific gravity of a battery electrolyte, use a: Answer -
Hydrometer.
15 : 1 is the optimum air/fuel ratio by weight for NORMAL combustion. Answer
- True
Thermal expansion is the expansion of a material when subjected to heat.
Answer - True
Thermal conductivity is the ability of a material to conduct and transfer heat.
Answer - True
What is excess torque converted into? Answer - Useful Energy
QUESTIONS AND ANSWERS | 2026 UPDATE | 100% CORRECT
Briggs & Stratton engines feature both a pressure lubrication and a pressure
filtration system. Which statement is true? Answer - Technician B says that
pressure filtration system pumps oil to a limited number of bearing surfaces
and typically has an oil filter
Engine oil leaking from a governor shaft bushing is more likely to be caused by
a loss in crankcase vacuum than a worn bushing. Answer - True
Vertical crankshaft engines are equipped with a oil slinger/governor gear.
Answer - True
Friction Horsepower (FHP) is the amount of power required to overcome the
internal friction of engine moving parts. Answer - True
The maximum torque of a Briggs & Stratton engine can only be measured when
the engine is under full load, with the throttle plate in the wide open position.
Answer - True
Engine horsepower decreases ________% for every___________feet above
sea level. Answer - 3.5, 1000
, Outdoor grilling releases more hydrocarbon emissions into the atmosphere
each year than lawn and garden equipment. Answer - True ?
When there is excessive valve clearance on a four-cycle engine, the valves stay
open too long. Answer - False
Which of the following has the greatest effect on the operating temperature of
an air-cooled engine? Answer - Engine oil quality and quantity
Adjusting the maximum RPM higher than the specified setting allows for more
power. Answer - False
For each revolution of the crankshaft the camshaft revolves: Answer - One-half
revolution.
To check the specific gravity of a battery electrolyte, use a: Answer -
Hydrometer.
15 : 1 is the optimum air/fuel ratio by weight for NORMAL combustion. Answer
- True
Thermal expansion is the expansion of a material when subjected to heat.
Answer - True
Thermal conductivity is the ability of a material to conduct and transfer heat.
Answer - True
What is excess torque converted into? Answer - Useful Energy
