Chapter 21, Problem 58E

(a)

Interpretation Introduction

To determine: The authenticity of the given statement, “Natural uranium has too little $\text{U}$ to be used as a fuel”.

(b)

Interpretation Introduction

To determine: The authenticity of the given statement, “ $\text{U}$ cannot be used as a fuel because it forms a supercritical mass easily”.

(c)

Interpretation Introduction

To determine: The authenticity of the given statement, “To be used as fuel, uranium must be enriched so that it is more than $50\%\text{U}$ in composition”.

(d)

Interpretation Introduction

To determine: The authenticity of the given statement, “The neutron-induced fission of $\text{U}$ releases more neutrons per nucleus than fission of $\text{U}$ ”.