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1) Which of following practice does not prevent inhalation?
a) Aeration of the laboratory
b) Fume hood
c) Biosafety cabinets
d) Respirator masks
2) Which of the following is true?
a) Safety Data Sheets are only required for organic chemical compounds
b) Employee who works with nanoparticles should receive basic safety information about the nanomaterials
c) It's not necessary to document training
d) Labeling is optional for nanoparticles
Equation (13.65) represents a recursive relationship between a sequence x[n] and its complex cepstrum [n]. Show from Eq. (13.65) that the characteristic system D∗[·] behaves as a causal system for minimum-phase inputs; i.e., show that for minimum-..
A process heater uses Dowtherm A heat transfer fluid to provide 850 kW of heat. Estimate the annual operating cost of the heater if the Dowtherm evaporator is 80% efficient and the price of natural gas is $4.60/MMBtu. Assume 8000 operating hours p..
What is the mass of the volume of combined fuel product? What is the total volume of combined fuel allowed on the truck? What is the volume of E100 allowed on the truck? What is the volume of E85 allowed on the truck?
Design a storage and feed system for the sorbitol powder. Sorbitol has average bulk density 1.48 kg/liter, and can be assumed to have an average particle size of 200 μm.
Explain whether the following circuit allows the investigator to conduct a voltage clamp experiment. The unmyelinated axon is sealed at both ends. A silver wire is inserted inside the axon that eliminates Ra. Clearly state any assumptions.
A 100-liter fed-batch fermenter was successfully operated for 200 h using an aeration rate of 14 l/s and a 5 W agitator. It is proposed to scale the fermentation up to 10,000 liters. What agitator power consumption is required?.
A condenser is required to condense n-propanol vapour leaving the top of adistillation column. The n-propanol is essentially pure, and is a saturated vapourat a pressure of 2.1 bara. The condensate needs to be sub-cooled to 45ŽC.Design a horizonta..
Does this distribution fit a normal distribution curve?
Focus Question: How does the volume of mole of methane gas at 300 bar and 298K compare to the volume of one mole of an ideal gas at 300 bar and 298K?
using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the
part-1why fiuids are importantnbspin chemical engineering1. enormous number of materials normally exist fias gases or
We have a mixture consistingof 90 mole% 'A' (45 mol/lit) and 10 mole%impurity 'B'(5 mol/lit). To be satisfactory quality the ratio of 'A' to 'B' in the mixture must be 100 to 1or higher.
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