PSC2 Test Your Knowledge

Test Your Knowledge

Are you Pump System Certification (PSC) Level 2 Ready?
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The following sample quiz contains 10 questions that represent the type of questions featured on the PSC Level 2 Exam. This quiz has been designed to help you gauge your understanding and knowledge level of the PSC Level 2 content.

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PSC2 Knowledge Quiz
Download the Formula Reference Sheet.
1. What is the total gauge pressure for the following ?
- Flow rate is 700 gpm (160 m³/h),
- Pressure is 50 psig (345 kPa)
- Pipe velocity 11.4 ft/s (3.5 m/s)
- Fluid density is 100 lbm/ft3 (1600 kg/m³)
- Atmospheric pressure is 14.5 psi (100 kPa)
- Acceleration due to gravity is 32.2 ft/s² (9.81 m/s²)
A.) 48.6 psi (335 kPa)C.) 64.5 psi (445 kPa)B.) 51.4 psi (355 kPa)D.) 65.9 psi(454 kPa)
2. What is the NPSHA for a rotodynamic pump operating in a closed system with the following related conditions:
- Liquid level above pump centerline (Impeller datum) 15ft (4.6 m);
- Suction vessel pressure at top of liquid level 10 psia (69 kPa,a);
- Head loss between suction vessel and pump suction flange 2.0 ft (0.6 m);
- Liquid vapor pressure 5.4 psia (37.2 kPa,a);
- Atmospheric pressure 14.7 psia (101 kPa,a);
- Liquid specific gravity 0.8;
- Suction pipe velocity entering pump 10 ft/s (3.05 m/s);
- Pump flow rate 2500 gpm (568 m³/h);
- Discharge pressure 50 psig (345 kPa)
A.) 21.3 ft (6.5 m)C.) 26.3 ft (8.0 m)B.) 23.3 ft (7.1 m)D.) 57.5 ft (17.5 m)
A.) Differential pressureC.) EfficiencyB.) PowerD.) Flow rate
A.) Requires bolting to a soleplate to have rigid attachment to the foundation but a baseplate is not requiredB.) A non-grouted baseplate is recommended to support the weight of the pump and motorC.) A grouted baseplate is recommended to limit vibration and maintain alignmentD.) A baseplate is typically not required and the pump can be supported by properly designed piping and piping supports
A.) 1800 RPM End SuctionC.) 3600 RPM MultistageB.) 1200 RPM Double SuctionD.) 8000 RPM End Suction with Inducer
A.) 1000C.) 2000B.) 1500D.) 3000
A.) Casing ring, impeller, shaftC.) Packing, shaft sleeve, impeller ringB.) Adapter, mechanical seal, bearingsD.) Bearings, shaft sleeve, casing
A.) 3 monthsC.) 18 monthsB.) 6 monthsD.) 36 months
A.) Circumferential piston pumpC.) Mixed flow vertical turbine pumpB.) Axial flow elbow pumpD.) Regenerative turbine pump
10. For the measurements below, what is the total head for a centrifugal pump?
- Flow rate is 700 gpm (160 m³/h),
- Suction (inlet) pressure is 100 psig (690 kPa)
- Suction pipe velocity at pressure measurement 5.7 ft/s (1.8 m/s)
- Discharge (outlet) pressure is 250 psig (1725 kPa)
- Discharge pipe velocity at pressure measurement 16 ft/s (4.9 m/s)
- Gauge locations are two pipe diameters before the inlet and two pipe diameters after the outlet
- Gauges are at the same elevation
- Fluid specific gravity is 0.8 (800 kg/m³)
- Atmospheric pressure is 14.5 psi (100 kPa)
- Acceleration due to gravity is 32.2 ft/s² (9.81 m/s²)
A.) 348 ft (106 m)C.) 436 ft (133 m)B.) 422 ft (129 m)D.) 451 ft (137 m)
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PSC2 Knowledge Quiz