Quiz 23- 10 questions on Measurements

Torino number is a scale adopted in 1999 to express the  likelihood of an asteroid or comet colliding with the Earth and the Palermo scale to assess the risk of an impact on the earth by a comet or asteroid. Now lets quiz on some other measurements.

1. Which alternative system of medicine uses the unit t'sun ?

2. Samuel Clemen's took his pen name 'Mark Twain'  from a river man's term for a certain depth in the river . This was the minimum depth needed for the boats to operate safely without running aground. How many Fathoms was Mark Twain equivalent of ?

3. Degree Lovibond is a unit used to measure which characteristics of Honey or Beer?

4. The Ringelmann scale was developed by Maximilien Ringelmann in Paris in 1888 for measuring density of something. It has 5 levels of density measurements inferred from a grid of black lines on a white surface which, if viewed from a distance, merge into known shades of grey. What does the scale measure ?

0 is represented by white.

5. In 1920  G.M.B. Dobson a  British physicist; invented a spectrometer to measure ozone concentrations from the ground. Today the unit for measuring the ozone in the atmosphere is named after him. So one Dobson unit represents the amount of atmospheric ozone that would form a uniform layer 0.01 millimeter (10 micrometers) thick at standard temperature and pressure. Under normal conditions, the atmosphere contains about 300 Dobson units of ozone. What happens when the reading becomes 220 Dobson units or less?

6. For devising a  formulae for calculating the probability of congestion  Danish mathematician A. K. Erlang was honoured by naming a unit to measure the traffic intensity, after him. What kind of traffic does Erlang represent?

7. The unit to measure electrical conductance (under SI system) is named after the founder of a well known company. Name either the unit or the company.

8. For the ease of understanding and  for easily relatable comparisons- what is some times also expressed in "The Banana Equivalent Dose"?

9.When the British standardised Weights and Measures in India in 1833, this was the base unit of mass. Traditionally the weight was equal to 100 ratti (ruttee) seeds,and its exact weight varied according to locality. The British standardised it to 180 troy ounces. This unit has been used in India since vedic times and the coins minted from Emperor Akbar's period to East India company's days weighed one of this unit. What unit?

Ratti seeds

10. Rick and cord are two units used to measure the same quantity. But rick is made illegal in many places because the size of rick has been manipulated by vendors. What are these two units used to measure?