hydraulic symbols

what is this ? ​ (a)   ​

• oil cooler
• oil heater
• heat exchange

Match the following

• filter

• 
• heat exchange

• 
• oil heater

• 
• oil cooler

• 

Match the following

• fixed hydraulic pump

• 
• variable hydraulic pump

• 
• variable bidirectional hydraulic pump

• 
• air compressor

• 
• bidirectional (reversible)hydraulic pump

• 

what is this ?

• reservoir

• tank

• engine

what type of reservoir is this ?

• suction line below oil

• suction line above oil

• suction line

• suction line in oil

what type of reservoir is this ? ​ (a)  

• suction above oil
• suction below oil
• pressure tank
• gravity-fed reservoir

this is a graphic drawing

• true

• false

what type of drawing is this ?

• pictorial

• cutaway

• exploded component

• graphic

what type of drawing is this ?

• graphic

• cutaway

• combination

• pictorial

this is a ​ (a)   rod ​ (b)   acting cylinder cushioned ​ (c)   direction

• single
• double
• one
• triple
• quadruple
• multiple