Business Driven Information Systems
6th Edition
ISBN: 9781260004717
Author: Paige Baltzan
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 1, Problem 9CBT
To determine
Mention types of data sending and receiving in a classroom by IoT Devices and their frequency of sending and receiving of data. Types of IoT device information are being used and future aspects of IoT devices in the classroom to benefit the student.
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Q2- What are the parameters and loss that can be determined during open-circuit test of
singlephase transformer. Draw the circuit diagram of open-circuit test and explain how can you
calculate the Parameters and loss.
Q6- the open circuit and short circuit tests on a 10 KVA, 125/250 v, 50 Hz single phase transformer
gave the following results: O.C. Test: 125 V,0.6 A, 50 W ( on L.V.) S.C. Test: 20 V, 40 A, 177.78 W (on
H.V. side) Calculate: i) Copper losses on half load ii) Full load efficiency at 0.8 leading p.f. iii) Half load
efficiency at 0.8 leading p.f. iv) Regulation at full load at 0.9 leading p.f. Ans: 44.445 W, 97.23%,
97.69%, -1.8015%
Q3-A two-winding transformer has a primary winding with 208 turns and a secondary winding with 6
turns. The primary winding is connected to a 4160V system. What is the secondary voltage at no
load? What is the current in the primary winding with a 50-amp load connected to the secondary
winding? What is the apparent power flowing in the primary and secondary circuits? Ans. 120 V,
1.44 A, 6000 VA
Chapter 1 Solutions
Business Driven Information Systems
Ch. 1 - Prob. 1OCQCh. 1 - Prob. 2OCQCh. 1 - Prob. 3OCQCh. 1 - Prob. 4OCQCh. 1 - Prob. 5OCQCh. 1 - Prob. 6OCQCh. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQ
Ch. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - Prob. 10RQCh. 1 - Prob. 11RQCh. 1 - Prob. 12RQCh. 1 - Prob. 13RQCh. 1 - Prob. 14RQCh. 1 - Prob. 15RQCh. 1 - Prob. 1CCOCh. 1 - Prob. 2CCOCh. 1 - Prob. 3CCOCh. 1 - Prob. 4CCOCh. 1 - Prob. 5CCOCh. 1 - Prob. 6CCOCh. 1 - Prob. 1CCTCh. 1 - Prob. 2CCTCh. 1 - Prob. 3CCTCh. 1 - Prob. 4CCTCh. 1 - Prob. 5CCTCh. 1 - Prob. 6CCTCh. 1 - Prob. 1CBTCh. 1 - Prob. 2CBTCh. 1 - Prob. 3CBTCh. 1 - Prob. 4CBTCh. 1 - Prob. 5CBTCh. 1 - Prob. 6CBTCh. 1 - Prob. 7CBTCh. 1 - Prob. 8CBTCh. 1 - Prob. 9CBTCh. 1 - Prob. 10CBTCh. 1 - Prob. 11CBTCh. 1 - Prob. 12CBTCh. 1 - Prob. 13CBTCh. 1 - Prob. 14CBTCh. 1 - Prob. PIAYKBPCh. 1 - Prob. PIIAYKBPCh. 1 - Prob. PIIIAYKBPCh. 1 - Prob. PIVAYKBPCh. 1 - Prob. PVIAYKBPCh. 1 - Prob. PVIIAYKBPCh. 1 - Prob. PVIIIAYKBPCh. 1 - Prob. PIXAYKBPCh. 1 - Prob. PXAYKBPCh. 1 - Prob. PXIAYKBP
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- Q7- A 5 KVA, 500/250 V,50 Hz, single phase transformer gave the following reading: O.C. Test: 250 V,2 A, 50 W (H.V. side open) S.C. Test: 25 V10 A, 60 W (L.V. side shorted) Determine: i) The efficiency on full load, 0.8 lagging p.f. ii) The voltage regulation on full load, 0.8 leading p.f. iii) Draw the equivalent circuit referred to primary and insert all the values it.arrow_forwardQ4- A single phase transformer has 350 primary and secondary 1050 turns. The primary is connected to 400 V,50 Hz a.c. supply. If the net cross sectional area of core is 50 cm2, calculate i) The maximum value of the flux density in the core. ii) The induced e.m.f in the secondary winding. Ans: 1.029 T, 1200Varrow_forwarddesign rectangular sections for the beam and loads, and p values shown. Beam weights are not included in the loads given. Show sketches of cross sections including bar sizes, arrangements, and spacing. Assume concrete weighs 23.5 kN/m'. fy= 420 MPa, and f’c= 21 MPa.Show the shear and moment diagrams as wellarrow_forward
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