MSSC –Maintenance Awareness Exam Test Questions And Answers Verified 100% Correct

MSSC –Maintenance Awareness Exam Test Questions And Answers Verified 100% Correct When current in a circuit is too high, it is usually the result of too many loads or a __________. - ANSWER short circuit Electrical wiring that runs in exposed locations must be protected by pipe or tubing called __________. - ANSWER conduit The total power in __________ electrical circuit is calculated by finding the sum of the individual component power consumption. - ANSWER any The amount two electrical waveforms are out of phase is measured in __________. - ANSWER degrees The Ohm's Law formula for calculating voltage is __________. - ANSWER E=I(current)*R(resistance) What is the power formula? - ANSWER P = I(current)*E(voltage) The type of overload protection that protects the motor by disconnecting it physically instead of electrically is a(n) __________. - ANSWER overload clutch The measure of energy consumed by a circuit is called __________. - ANSWER power The power is connected to a single phase motor using __________ lines. - ANSWER 2 Kirchoff's Voltage Law for a series circuit shows that the total voltage dropped in a series circuit is equal to the __________ of the individual voltage drops. - ANSWER sum The difference between a fuse and a circuit breaker is __________. - ANSWER circuit breakers can be reset and used again When something binds or jams in machinery, the machinery is protected by a(n) __________. - ANSWER overload clutch Which is considered a fluid system, pneumatics or hydraulics? - ANSWER both The S.I. unit for pressure is __________. - ANSWER kPa DCV stands for __________. - ANSWER directional control valve The 3-position, 5-way DCV is held in the mid-position by the __________. - ANSWER springs What are the two types of conductors used in a pneumatic system? - ANSWER supply line and actuator line The poppet of a pressure regulator is opened by the __________. - ANSWER adjustment spring Smaller dirt particles are removed from the air by the filter's __________. - ANSWER element The 3-way DCV spool is held in the energized position by the __________. - ANSWER operator The __________ filter, used for low pressure applications, has a removable cartridge that can be cleaned or replaced. - ANSWER spin-on Placing a filter in this location allows the filter to be cleaned without shutting down the machine. - ANSWER off-line A double-acting cylinder will extend when oil flows into the __________. - ANSWER cap end What is not considered one of the five basic components of a hydraulic system? - ANSWER pressure The hydraulic motor converts hydraulic flow into __________. - ANSWER rotary shaft speed When drawing a hydraulic schematic, one rule to remember is to always draw the components __________. - ANSWER in a de-energized state __________ prevents large particles from damaging the pump and is placed in the reservoir. - ANSWER Strainer Another name for a cylinder would be a(n) __________. - ANSWER actuator Most hydraulic motors are modified designs of __________. - ANSWER pumps __________ are rated by the size of contaminates they remove. - ANSWER Hydraulic Filters A __________ filter is designed to handle the full pressure of the hydraulic system. It uses a replaceable cartridge and is enclosed in a metal casing called a bowl. - ANSWER Pressure Line Filter The amount of dirt collected by a filter when the pressure reaches a predetermined point is called the __________. - ANSWER dirt holding capacity A __________ can show when DHC of a filter has been reached. - ANSWER bypass indicator The __________ filter, commonly used on suction or return lines, is similar in appearance to a pressure line filter but can not withstand the full pressure of the hydraulic system. - ANSWER Cartridge type filter The three qualities used when specifying a grease are: type of soap, hardness, and __________. - ANSWER dropping point The most often used grease is __________ because it provides excellant lubrication under moderate loads and also at high temperatures and speeds. - ANSWER lithium There are seven (7) basic types of oils in use today. One of these is refrigeration oils which has a function to__________. - ANSWER to operate in both high and low temperatures Lubrication and other __________ maintenance activities should be checked daily to ensure they are being performed. - ANSWER preventive Lubrication points should always be __________ before adding oil to a system - ANSWER cleaned off -