Bissoy.com
Doctors Medicines MCQs Q&A

Let’s consider we need to design a propeller engine which has 3 blades. What will be the typical value of propeller diameter? Engine is expected to produce 400 Hp of power.

Let’s consider we need to design a propeller engine which has 3 blades. What will be the typical value of propeller diameter? Engine is expected to produce 400 Hp of power. Correct Answer 80.5 unit

Given, power = 400Hp, number of blades = 3 Now, diameter d = 18*(Hp)0.25 = 18*4000.25 = 80.5 unit.

Related Questions

Let’s consider a propeller aircraft propeller diameter of 24 feet then, what would be the minimum value of clearance that is required for safe operation of propeller typically?
In a village 50% of the villagers produce rice, 40% of the villagers produce apples and 50% of the villagers produce vegetables, 20% of the villagers produce rice and apples both, 25% of the villagers produce apples and vegetables both, 20% of the villagers produce rice and vegetables both and 10% of the villagers produce all three. Find the percentage of villagers who do not produce anything.
If a propeller is designed to have 200 Hp then find the appropriate diameter for the propeller. Consider 2 blades.
In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All scissors are knives Statement II: Some blades are scissors Conclusion I: Some knives are blades Conclusion II: All blades are knives
Determine thrust of propeller if propeller efficiency is 85%. Propeller is assumed to be operated with 1200 bhp and 350ft/s of velocity.
Given below are two statements followed by two conclusions labelled I and II. Assuming that the information in the statement is true, decide which conclusion(s) logically and definitely follow(s) from the information given in the statements. Statements: All blades are motors. All motors are jugs. Conclusion I: All jugs are blades. Conclusion II: Some blades are jugs.
Read the given statement(s) and conclusions carefully and select which of the conclusions logically follow(s) from the statement(s). Statement: All razors are blades All blades are metals Conclusions: 1. All metals are razors 2. Some metals are blades.
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: 1. Some blades are razors. 2. All razors are axes. Conclusion: I. Some axes are blades. II. Some blades are axes.
Read the given statement(s) and conclusions carefully and select which of the conclusions logicallyfollow(s) from the statement(s).
Statement:
• All razors are blades.
• All blades are metals.
Conclusions:
1. All metals are razors.
2. Some metals are blades.
In a reaction turbine, the fixed blades and moving blades are of the same shape but reversed in direction. The angle of the discharging tip is 20°. The mean blade velocity is 200 m/s. The axial velocity of flow of steam is half of the mean blade velocity. Determine the inlet angles of blades.