الصيانة الهدسية
Quiz by Ashraf Abdo
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10 questions
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- Q11- …………… pump depends on a reciprocating motion to transmit a liquid from inlet to outlet:Gear pumpsExternal gear pumpsLobe pumpsReciprocating pumps30s
- Q22- Used to reduce pressure & flow rate speed:ShaftDiffuserCasingImpeller30s
- Q3- The pump shown on fig is:Centrifugal pumpInternal gear pumpReciprocating pumpAxial flow pump30s
- Q4impller is one of the centrifugal pumps ……….. part:BearingStationary partRotating partCause friction30s
- Q5- Which one of the following pump is not positive displacement?Lobe pumpExternal gear pumpinternal gear pumpa centrifugal pump30s
- Q6. Pressure is a measurement ofFlow per unit of timeWeightForce per unit of timeForce per unit of surface area30s
- Q7. Which one of these devices does NOT use a hydraulic system?car mechanic's trolley jackBrakes on a carThe rams on an excavatorA dentist's drill30s
- Q88. Compressors usually pump air into:Pneumatic motorsPneumatic cylindersReceiversAtmosphere30s
- Q9. Force = __________ x ____________pressure x areawork x timepressure x flowflow x distance30s
- Q10. Directional control valves can be operated .................:A & bElectricalNon aboveManual30s