Past Questions And Answers
If a current of 2.5A flows through an electrolyte for 3 hours and 1.8g of a substance is deposited, what is the mass of the substance that will be deposited if a current of 4A flows through it for 4.8 hours?
- A. 2.4g
- B. 3.2g
- C. 4.6g
- D. 4.8g
The official residence of the Secretary-General of the United Nations is in
- A) Washington DC, United States
- B) New York City, United States
- C) Birmingham United Kingdom
- D) Atlanta Georgia, United States
The principle where many insurance companies join to compensate one policy holder is called?
- A. contribution
- B. subrogation
- C. compensation
- D. indemnity
which of the following statements describes the locus of a point R which moves in a plane such that its equidistant from two intersecting lines?
- A. the bisector of the angle formed by the lines
- B. the point of intersection of the two lines
- C. A cone, with two intersecting lines as slant height
- D. A circle, with the point of intersection of the two lines as the center
Based on J.C. De Graft's Sons and Daughters:
From the play, George is a
- A. laboratory assistant
- B. pharmacist
- C. nurse
- D. medical doctor
From the words lettered A to D, choose the word that best completes each of the following sentences: It was so hot in the house that the boys rushed to the beach to enjoy the............
- A. breath
- B. wind
- C. breeze
- D. air
According to the beatitudes, the blessing for those who hunger and thirst for righteousness is________
- A. Mercy
- B. Satisfaction
- C. Comfort
- D. Salvation
An electric drill rated 400W is used to drill a hole in copper of mass 400g in 20s. Calculate the rise in temperature if all the heat produced is absorbed by the copper. [specific heat capacity of copper = 400Jkg-1K-1]
- A. 100oC
- B. 75oC
- C. 50oC
- D. 45oC
Which of the following are process of physical weathering? I. Frost action II. Hydrolysis III. Oxidation IV. Temperature Changes
- A. I and III only
- B. I and IV only
- C. III and IV only
- D. II and III only
The current output from of an a.c. source is given as I = 10 sin to t. The d.c equivalent of the current is
- A. 5.0A
- B. 7.1A
- C. 10.0A
- D. 14.1A