If the viscosity of the liquid being...

Question 1 / 205eccef9bbacbc34ba4d45537

Question 1 of 205eccef9bbacbc34ba4d45537

If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump __________.

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Question 1 of 20

5eccef9bbacbc34ba4d45537

If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump __________.

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🔍 Key Concepts

• Rotary pump characteristics – how flow (capacity) behaves when discharge pressure changes at constant viscosity • Difference between positive displacement pumps (like most rotary pumps) and centrifugal pumps • Relationship between suction conditions and discharge pressure in a closed piping system

💭 Think About

• Ask yourself: on a positive displacement rotary pump, does the flow rate depend mainly on pressure, or on the pump’s geometry and speed (rpm)? • If the discharge side gets harder to push against (higher pressure), what typically happens first: the pump slips internally, the capacity changes a lot, or system components (like relief valves) react? • Which of the four options is directly tied to what changes at the suction side, and which are about what happens at the discharge side when back pressure rises?

✅ Before You Answer

• Verify whether a rotary pump is considered a positive displacement pump and what that implies for nearly constant flow at varying discharge pressures (assuming no slip). • Check if an increase in discharge pressure automatically causes a change in suction pressure, or if suction pressure mainly depends on NPSH (net positive suction head), suction lift, and supply tank conditions. • Confirm whether, for exam purposes, capacity of a rotary pump is treated as essentially constant with pressure changes when viscosity and speed are constant.

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Question 1 of 20

If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump __________.

capacity will increase

capacity will decrease

suction pressure will increase

suction pressure will decrease

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Question 1 / 205eccef9bbacbc34ba4d45537

Question 1 of 205eccef9bbacbc34ba4d45537

If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45537

If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed