C403B Quiz

QUESTION 2: What is the approximate voltage amplitude and frequency of the waveform below

The system having ±0.5% of F.S.D if the full scale deflection is 50 units, then accuracy is _____ a. ±0.25 b. ±1 c. ±0 d. ±0.5

I want a solution in less than 30 minutes Often, the network is referred as an infinite bus when a change in input mechanical power or in field excitation to the unit does not cause an appreciable change in a. system frequency or terminal voltage b. Total production cost c. system frequency and terminal voltage d. system frequency alone

Question 3 and 4

In your own words and from your own understanding, avoid plagiarism or copying from the Course Material, explain or describe AIR-BLAST CIRCUIT BREAKER.

1. The value of R^2=0.100 R2=0.100 corresponds to a ______________ effect size A. cannot be determined B. large C. small D. medium

4.a. The installation of motor controllers and combination load equipment is not permitted if the short-circuitcurrent rating of the equipment isA. equal to the available short-circuit current at the site of installation.B. not found on either of the nameplates.C. more than the available short-circuit current at the site of installation.D. less than the available short-circuit current at the site of installation. 4.b. In a(n) ___ bend, the conductor does not enter or leave an enclosure through the wall opposite itsterminals.a. Vb. Sc. L

Q: 1 Choose the appropriate answer(s). (CLO1-1, PLO-2, CL-4) a. Check all statements that apply (points can only be obtained if all boxes are checked correctly) Wind power ... (a) .is uncertain (True) (False) (b) ...is intermittent (True) (False) (c) ..is random (True) (False) (d)..can be forecasted (True) (False) b. If everything else remains constant, when a significant load is added to the system the generator rotating speed (a) Slows down and as a result the torque needs to be increased to keep the frequency (b) Speeds up and the resulting torque can be used to produce more energy (c) Speeds up and the turbine must slow down the generator to prevent damage c. The Hellmann formula describes . (a) solar irradiance depending on the thickness of the cloud cover. (b) the failure rate of power transmission lines depending on their length. (c) wind speed depending on height above ground. (d) the peak-to-average rate of load in a distribution feeder depending on average load. d. An…

Part 2: Analysis and selection of the Wind Turbine. The team decides at install a 30 MW wind farm. The turbine that has been selected by the local contractor is an Enercon wind turbine. The specifications of all the available Enercon wind turbine is shown in the attached datasheet. 1. Decide on the required number of wind turbines needed. 2. In your own words, explain what the Betz limit for wind turbines means.

Briefly explain TNC-S earthing scheme as applied to earthing system design. (Hint: Support your answer with a well labelled diagram).

Need help on #2,#3,#4

Solve it quickly please

How to verify the validity of the nodal analysis technique in solving electrical networks?

For the following activities, draw the network diagram and by using forward and backward pass, determine:- 1. Project duration. 2. Critical path. Preceding Duration Activity (day) 3 Act. A - -- A 4 C A 2 B E C 1 F C 2 D,E F,G G 4 H. 3

b) What is the difference between systematic and random errors; then list the reasons for equipment errors.

Q: 1 Choose the appropriate answer(s). (CLO1-1, PLO-2, CL-4) a. Check all statements that apply (points can only be obtained if all boxes are checked correctly) Wind power ... (a) .is uncertain (True) (False) (b) ..is intermittent (True) (False) (c).is random (True) (False) (d) .can be forecasted (True) (False) b. If everything else remains constant, when a significant load is added to the system the generator rotating speed (a) Slows down and as a result the torque needs to be increased to keep the frequency (b) Speeds up and the resulting torque can be used to produce more energy (c) Speeds up and the turbine must slow down the generator to prevent damage c. The Hellmann formula describes . (a) solar irradiance depending on the thickness of the cloud cover. (b) the failure rate of power transmission lines depending on their length. (c) wind speed depending on height above ground. (d) the peak-to-average rate of load in a distribution feeder depending on average load. d. An…

What is the function of Positioning and Orientation System (POS – GNSS+IMU) in LiDAR system, when the LiDAR system is operated through moving platform, such as Aircraft, UAV, ground-based vehicle. Explain with relevant diagrams.

Q3. (a) Discuss the major commanalities between a parabolic trough solar power plant, a central receiver solar power plant and a parabolic dish solar power plant. (b) Discuss the major differences between these three solar concentrating power plant systems.

Part 2: Analysis and selection of the Wind Turbine.The team decides at install a 30 MW wind farm. The turbine that has been selected by the local contractor is an Enercon wind turbine. The specifications of all the available Enercon wind turbine is shown in the attached datasheet. 1. What are the two closed loop control systems that are used generally in wind turbines? How do they work? 2. Calculate the power density of the input power from the wind when the wind is blowing at the rated wind speed at the turbine height. Clearly show your steps in details.

Using the notation scheme for defining manipulator configurations, draw diagrams of the following robots. Label each joint in the diagram. (i) TVR:TR (ii) VROT:R

Select the information needed to draw a functional block diagram. I. Choose either open-loop or closed-loop system firmly II. Identify the system requirement II. Determine a physical system I and II В. I, and II C. II, and III D. I, Il and III A. B.

4. A1. Voltage sag is common power frequency disturbance that can last half of a cycle to several seconds (a) Please state three types of measure to overcome the effect of voltage sag on customer side without additional battery support. (b) Please state two factors of selection for abovementioned equipment.

I need the answer as soon as possible

Select the information needed to draw a functional block diagram. I. Choose either open-loop or closed-loop system firmly II. Identify the system requirement III. Determine a physical system А. I and II В. I, and III C. II, and III D. I, Il and III B.

The following problems refer to grounding requirements. Give the source of yourresponses. 1. If they are present, what items are required to be bonded together to form a groundingelectrode system?

The is the distance from-1 the centre of one slot to the centre of .the next slot a) coil span O b) pole pitch O c) slot pitch O

AA Health and Safety Mr Ali Lilo, AL4510222L Time remaining: 53 Quick Select QuestiBintaseconds three of the following items of information are required when completing a RIDDOR form? 1 Date & time of incident 2 Type of accident 3 Organisation details. 4 Employer public liability insurance a) 3,2,4 b) 1,4,3 c) 4,2,1 d) 2,3,1 Prev Next actclass.co.uk Questi 22 Questi 23 Questi 24 Questi 25 Questi 26 Questi 27 Questi Submit Answers

Voltages are represented by: e, = 20sinwt e2 = 30sin (wt ez = 40cos (wt +") e4 = -15sin wt es = -25cos (wt – ") Find the resultant instantaneous voltage using: (a) (b) (c) trigonometric identities component method complex method

Construct a complete electrical plan layout of a residential type building which includes floor plans, lighting layout, power layout and load schedule.

The process of transferring a mobile station from one base station to another is a. MSC b. Roamer c. Hand off d. Forward channel