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- Explain the following terms as used in fibre optic cables
i) Single mode
ii) Multi-mode(Solved)
Explain the following terms as used in fibre optic cables
i) Single mode
ii) Multi-mode
Date posted: September 27, 2019.
- Using dots(•) and crosses(x), show bonding in magnesium chloride. (Solved)
Using dots(•) and crosses(x), show bonding in magnesium chloride.
Date posted: September 27, 2019.
- With an aid of a pseudo code and flow chart, write a computer program that can be used to compare the values of two numbers...(Solved)
With an aid of a pseudo code and flow chart, write a computer program that can be used to compare the values of two numbers and print the largest number.
Date posted: September 27, 2019.
- Outline the services rendered by producer cooperative societies to their members.(Solved)
Outline the services rendered by producer cooperative societies to their members.
Date posted: September 27, 2019.
- One stage of system development is system testing. Outline the advantages of this stage before implementation.(Solved)
One stage of system development is system testing. Outline the advantages of this stage before implementation.
Date posted: September 27, 2019.
- An observer watching a fireworks displays sees the light from an explosion and hears the sound 4 seconds later. How far was the explosion from...(Solved)
An observer watching a fireworks displays sees the light from an explosion and hears the sound 4 seconds later. How far was the explosion from the observer? (Speed of sound in air 330m/s).
Date posted: September 27, 2019.
- The most popular type of electronic data storage currently is magnetic disk storage such as hard disk or Winchester disk. Give reason as to why...(Solved)
The most popular type of electronic data storage currently is magnetic disk storage such as hard disk or Winchester disk. Give reason as to why they are popular.
Date posted: September 27, 2019.
- State the securities traded at the Nairobi stock exchange market.(Solved)
State the securities traded at the Nairobi stock exchange market.
Date posted: September 27, 2019.
- Explain briefly how Electronic Funds Transfer (EFT) and Electronic Point of Sale (EPOS) is used to facilitate business in Nakumatt supermarkets in Kenya.(Solved)
Explain briefly how Electronic Funds Transfer (EFT) and Electronic Point of Sale (EPOS) is used to facilitate business in Nakumatt supermarkets in Kenya.
Date posted: September 27, 2019.
- A block of mass 200g is placed on a frictionless rotating table while fixed to the centre of the table by a thin thread. The...(Solved)
A block of mass 200g is placed on a frictionless rotating table while fixed to the centre of the table by a thin thread. The distance from the centre of the table to the block is 15cm. If the maximum tension the thread can withstand is 5.6N, determine the maximum angular velocity the table can attain before the thread cuts.
Date posted: September 27, 2019.
- List the activities found in primary level production.(Solved)
List the activities found in primary level production.
Date posted: September 27, 2019.
- In a war torn countries such as Somalia, explosives that get buried under ground requires removal in order to provide safety for the people.(a) Name...(Solved)
In a war torn countries such as Somalia, explosives that get buried under ground requires removal in order to provide safety for the people.
(a) Name a computer controlled device that would be used safely for detecting such explosives
(b) Explain why you recommend the use of such a device in (a) above
Date posted: September 27, 2019.
- The figure below shows a metal rod AB of length 2m horizontally balanced while supported by a pivot and a string.(Solved)
The figure below shows a metal rod AB of length 2m horizontally balanced while supported by a pivot and a string.
Determine the mass of the metal rod if the tension is 15N.
Date posted: September 27, 2019.
- A block of wood of mass 80kg floats in water with 0.6 of its volume in water. Calculate the number of rods each 20g that...(Solved)
A block of wood of mass 80kg floats in water with 0.6 of its volume in water. Calculate the number of rods each 20g that can be placed on the block so that its top is level with the surface of water.
Date posted: September 27, 2019.
- Give the limitations of debentures as a source of capital for a company.(Solved)
Give the limitations of debentures as a source of capital for a company.
Date posted: September 27, 2019.
- A computer operator in your school wanted to print a document but the printer could not print yet the online light is on and the...(Solved)
A computer operator in your school wanted to print a document but the printer could not print yet the online light is on and the printer paper is correctly placed. Give the other possible reasons why the printing process failed.
Date posted: September 27, 2019.
- State the Precautions that a drawer can take in order to ensure that his cheques do not bounce.(Solved)
State the Precautions that a drawer can take in order to ensure that his cheques do not bounce.
Date posted: September 27, 2019.
- Draw a diagram to illustrate the following:
(i) USB Port.
(ii) Serial Port.
(iii) Parallel Port.(Solved)
Draw a diagram to illustrate the following:
(a) USB Port.
(b) Serial Port.
(c) Parallel Port.
Date posted: September 27, 2019.
- Calculate the total power in lifting 0.2kg of metal cane containing 2000cm3 of ice onto a lorry as shown below within 4s. (SI Q =...(Solved)
Calculate the total power in lifting 0.2kg of metal cane containing 2000cm3 of ice onto a lorry as shown below within 4s. (SI Q = 0.9g/cm3)
Date posted: September 27, 2019.
- List the ways in which the use of containers is sea transport enhances security of cargo.(Solved)
List the ways in which the use of containers is sea transport enhances security of cargo.
Date posted: September 27, 2019.
- The figure below shows four equivalent springs with negligible weight, the weight of the rod R is 20N. Given that the spring constant is 5N/m....(Solved)
The figure below shows four equivalent springs with negligible weight, the weight of the rod R is 20N. Given that the spring constant is 5N/m. Calculate the load L which causes an extension of 28m to the system.
Date posted: September 27, 2019.
- State any two possible ways of increasing velocity ratio of wheel and axle.(Solved)
State any two possible ways of increasing velocity ratio of wheel and axle.
Date posted: September 27, 2019.
- What does it mean to say the density of water is 1g/cm3?(Solved)
What does it mean to say the density of water is 1g/cm3?
Date posted: September 27, 2019.
- The diagram below shows two similar cups of tea containing equal volumes of hot tea at the same level. It was observed that the rate...(Solved)
The diagram below shows two similar cups of tea containing equal volumes of hot tea at the same level. It was observed that the rate of cooling was the same in the two cups. Explain.
Date posted: September 27, 2019.
- A body is acted upon by a force of 10N towards the right hand side and 6N towards the left hand side. What is the...(Solved)
A body is acted upon by a force of 10N towards the right hand side and 6N towards the left hand side. What is the resultant force?
Date posted: September 27, 2019.
- Generate output for the following pseudo code(Solved)
(a) Generate output for the following pseudo code
(b) Draw a flowchart for the above pseudo code
Date posted: September 27, 2019.
- The figure below shows a displacement-time graph of a wave. The velocity of the wave is 100m/s.(Solved)
The figure below shows a displacement-time graph of a wave. The velocity of the wave is 100m/s.
Determine;
(i) Amplitude
(ii) Period
(iii) Wave length
(iv) Frequency
Date posted: September 27, 2019.
- A gas occupies a volume of 4000 litres temperature of 370C and normal atmosphere pressure. Determine the new volume of the gas if it is...(Solved)
A gas occupies a volume of 4000 litres temperature of 370C and normal atmosphere pressure. Determine the new volume of the gas if it is heated at constant pressure to a temperature of 670C (normal atmosphere pressure P = 1.01 x 105pa).
Date posted: September 27, 2019.
- A turn table of radius 8cm is rotating at 33 revolutions per second. Determine the linear speed of a point on the circumference of the...(Solved)
A turn table of radius 8cm is rotating at 33 revolutions per second. Determine the linear speed of a point on the circumference of the turn table.
Date posted: September 27, 2019.
- The figure below shows a rectangular block of wood with a hollow section at the position shown. The block is resting on a...(Solved)
The figure below shows a rectangular block of wood with a hollow section at the position shown. The block is resting on a horizontal bench.
State and explain the effects on stability of the block when the hollow section is filled with water.
Date posted: September 27, 2019.