(a) Briefly explain three (3) methods of material selection. (3 marks) (b) With suitable example, explain...
Question 4 (20 marks) i. Briefly explain three essential features of switchgear (3 marks) i With the aid of a suitable diagram, show the breaker and half scheme bus-bar arrangement and outline three advantages and disadvantages (9 marks) ii. Calculate the current distribution in the ac network fed at A and loaded as shown in Figure 1. (8 marks) 40 A at 0-8 LAG 0 40 A at unity p.f 50 A at 0-9 LAG Figure 1
Question 5 (20 marks) a) Identify and briefly explain the three data anomalies found in a database design. (9 marks) b) What is normalisation? Name the three normal forms and their intended use. (9 marks) c) In resolving data anomalies, what exactly has normalisation achieve in a database design? (2 marks)
Q66 Briefly Explain the following: (a) Quality Function Deployment (QFD): and [2 Marks] (b) Pareto analysis. [2 Marks] Note: Illustrate your answer with suitable examples. DO NOT WRITE THE ANSWERS - USE WORD FORMAT. NO PLAGIARISM IS REQUIRED.
a. Briefly explain two primary reasons for a firm to hold cash. (4 marks) b. A firm's weekly average cash balances are as follows: Week 1 Week 2 Week 3 Week 4 RM24,000 RM34, 000 RM10,000 RM15,000 nual interest rate is 12 percent, how much return can be earned on the average (5 marks) cash balance? c. Using appropriate example, distinguish the lead and lag strategies. (6 marks) d Classity whether the following actions INCREASE, DECREASE, or CAUSE NO CHANGE...
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b. Briefly explain any FOUR (4) criteria of sanitary landfill site selection for the domestic solid waste management system. [CLO4:PLO7:C2] (6 marks) c. Soil contaminant is one of the issues in waste disposal. Describe what are soil contaminant, how it occurs and the effect of soil contaminant to human health.
b. Briefly explain any FOUR (4) criteria of sanitary landfill site selection for the domestic solid waste management system. [CLO4:PLO7:C2] (6 marks) c. Soil contaminant is one of...
a. Give three characteristics of a perfectly competitive market. [3 marks] b. List and explain three types of barriers to entry that may be used in a monopoly. [3 marks] c. For a monopolist, why is marginal revenue less than price for every level of output except the first? [4 marks] d. Give the conditions which should exist for price discrimination? [3 marks] e. Draw a diagram to show the long run equilibrium condition of the perfectly competitive firm [4...
(b) Given best material for the diaphragm is the largest value of M: 3/2 O'f E Using the Ashby Method of materials selection, recommend a suitable material for diaphragm, using the following information and the Strenght vs Young Modulus chart as in Figure Q4(b). Which materials best meet the requirements for diaphragms (19 marks) Pressure P Pressure p2 Deflection, 2 a FIGURE 04 (a)
(b) Given best material for the diaphragm is the largest value of M: 3/2 O'f E...
a) Briefly explain the basic categories of surveying errors and give examples. (3 marks) b) The radius of a circle is measured to be 8.00±0.02 cm. Estimate the area of the circle and find out the uncertainty in the estimate. (7 marks)
QUESTION THREE a) State the three approaches to measurement of national income. (3 marks) b) Explain any three challenges you would face when collecting and compiling national income statistics. (6 marks) c) Illustrate and explain the income and expenditure model (11 marks)
3. Question Three a) State and explain Abram's law (also called the 'water-cement ratio' law) as a concept in civil engineering. Illustrate with the aid of the graph. (5 marks) b) What is gradation of aggregates and explain the importance of proper gradation in fresh concrete? (3 marks) c) Describe the types of shrinkages that concrete undergoes. (6 marks) d) Define concrete mix design and state its benefits. (3 marks) e) Explain the defects in timbers caused by conversion. (4...