Answered: The raising time of a first order…

Engineering

Mechanical Engineering

The raising time of a first order system is the time required to reach 90% of the final value. Select one: True False

Understanding Motor Controls

4th Edition

ISBN:9781337798686

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter39: Programming A Programmable Logic Controller

Section: Chapter Questions

Problem 8RQ: When programming in Boolean, what statement should be used to connect components in series?

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A control loop contains _______, _______, and _________.
It is currently day 10 in the production calendar of the Machine Shop. Three orders(A, B, and C) are to be processed at a particular machine tool. The orders arrived in thesequence A-B-C. The table below indicates the process time remaining and productioncalendar due date for each order. Determine the sequence of the orders that would bescheduled using the following priority control rules: (a) first-come-first-serve, (b) earliest due date, (c) shortest processing time, (d) least slack time, and (e) critical ratio
The condensed method can be used with a basic transformation. true O false
Direction: •Show unit cancellations and do not use shift solve.•Show your complete solution with this format: Given, Required, Solution. •Use 4 decimal place for answers. Question: A centrifugal pump delivers 300,000 liters per hour of water to a pressurized tank whose pressure is 5850 psf. The source of water is 5 meters below the pump. The diameter of the suction pipe is 300 mm and the discharge pipe is 250 mm. Calculate the kW rating of the driving motor assuming the pump efficiency to be 72%. Subject: Fluid MachineriesCourse: Mechanical Engineering
0 Time left 1:27: In engineering design when we consider a system, the term synthesis refers to O a. understanding how different elements or components will interact and function as a whole O b. Using software to generate or synthesise test data that will allow us to analyse the performance of a design in the real world O c. Making use of synthetic materials in the design O d. Using software tools to aid in the engineering design process Next pag
Choice the correct answer of the following statements: 1. The power transmitted of two pulleys connected by an open belt or crossed belt is a) directly proportional to their diameters; b) inversely proportional to their diameters; proportional to the square of their diameters; c) directly d) inversely proportional to the square of their diameters. 2. Two pulleys of diameters d1 and d2 and at distance x apart are connected by means of an open belt drive. The length of the belt is: a) π/2 (d: + d₂) 2x + (d: + dz)/4x; b) n/2 (d₁-dz) 2x + (di-dz)/4x; c) n/2 (d: +d₂) 2x + (di-d₂}/4x; d) π/2 (d₁-də) 2x + (d: +d₂)²/4x. 3. In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then: a) open belt drive is recommended; b) cross belt drive is recommended; c) both open belt drive and cross belt drive are recommended; d) the drive is recommended depending upon the torque transmitted. 4. Due to not slip of the belt, the power transmitted of the belt drive:…
Which of the following statement is not correct for point function? Select one: O a. Point function does not depend on the history (or path) of the system. It only depends on the state of the system O b. Heat and work are point function O . Point functions are Exact Differential O d. Points functions are the properties of the system
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Write the simplified ENERGY BALANCE equation for each process based on the givenconditions. Start from the general energy balance form, and arrive at the correct balance byexplaining any addition, deduction, or change in the equation.Use the following as subscripts in your answer: 1 = initial system state; 2 = final system state; i = inletstate, e = exit state.a. A rigid tank transferring heat to its surroundings. b. The seal of an insulated system with a high energy substance is broken, causing the contents tobe evacuated until only 20% of the initial internal energy remained. No heat transfer was detectedin the system’s boundaries. c. Consider a hydroelectric power plant operating in steady conditions, wherein the system consistsof two water reservoirs with a height difference Δz, with a Francis water turbine placed betweenthe stream connecting both.
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